378959616 has 108 divisors (see below), whose sum is σ = 1248777712. Its totient is φ = 108269568.

The previous prime is 378959611. The next prime is 378959621. The reversal of 378959616 is 616959873.

378959616 is a `hidden beast` number, since 37 + 8 + 9 + 596 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (378959611) and next prime (378959621).

It is a super-2 number, since 2×378959616² = 287220781117734912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378959611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4380 + ... + 27876.

Almost surely, 2^378959616 is an apocalyptic number.

378959616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378959616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624388856).

378959616 is an abundant number, since it is smaller than the sum of its proper divisors (869818096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378959616 is a wasteful number, since it uses less digits than its factorization.

378959616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23526 (or 23509 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 378959616 is about 19466.8851129296. The cubic root of 378959616 is about 723.6540169993.

The spelling of 378959616 in words is "three hundred seventy-eight million, nine hundred fifty-nine thousand, six hundred sixteen".