378613980 has 96 divisors (see below), whose sum is σ = 1200225600. Its totient is φ = 99051264.

The previous prime is 378613979. The next prime is 378613997. The reversal of 378613980 is 89316873.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22006 + ... + 35234.

It is an arithmetic number, because the mean of its divisors is an integer number (12502350).

Almost surely, 2^378613980 is an apocalyptic number.

378613980 is a gapful number since it is divisible by the number (30) 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 378613980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600112800).

378613980 is an abundant number, since it is smaller than the sum of its proper divisors (821611620).

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

378613980 is a wasteful number, since it uses less digits than its factorization.

378613980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13300 (or 13292 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 378613980 is about 19458.0055504155. The cubic root of 378613980 is about 723.4339434523.

It can be divided in two parts, 3786 and 13980, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 378613980 in words is "three hundred seventy-eight million, six hundred thirteen thousand, nine hundred eighty".