378630620 has 48 divisors (see below), whose sum is σ = 822067680. Its totient is φ = 146375424.

The previous prime is 378630619. The next prime is 378630643. The reversal of 378630620 is 26036873.

It is a super-2 number, since 2×378630620² = 286722292803168800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114551 + ... + 117809.

It is an arithmetic number, because the mean of its divisors is an integer number (17126410).

Almost surely, 2^378630620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378630620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411033840).

378630620 is an abundant number, since it is smaller than the sum of its proper divisors (443437060).

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

378630620 is a wasteful number, since it uses less digits than its factorization.

378630620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 378630620 is about 19458.4331332202. The cubic root of 378630620 is about 723.4445415505. Note that the first 3 decimals are identical.

The spelling of 378630620 in words is "three hundred seventy-eight million, six hundred thirty thousand, six hundred twenty".