378331788 has 24 divisors (see below), whose sum is σ = 883088640. Its totient is φ = 126065680.

The previous prime is 378331783. The next prime is 378331801. The reversal of 378331788 is 887133873.

It is a super-2 number, since 2×378331788² = 286269883622553888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (378331783) 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 7 ways as a sum of consecutive naturals, for example, 64273 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (36795360).

Almost surely, 2^378331788 is an apocalyptic number.

It is an amenable number.

378331788 is an abundant number, since it is smaller than the sum of its proper divisors (504756852).

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

378331788 is a wasteful number, since it uses less digits than its factorization.

378331788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11237 (or 11235 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 378331788 is about 19450.7528903125. The cubic root of 378331788 is about 723.2541666681.

It can be divided in two parts, 37833 and 1788, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 378331788 in words is "three hundred seventy-eight million, three hundred thirty-one thousand, seven hundred eighty-eight".