378953904 has 80 divisors (see below), whose sum is σ = 1157425920. Its totient is φ = 104536320.

The previous prime is 378953891. The next prime is 378953921. The reversal of 378953904 is 409359873.

It is a super-2 number, since 2×378953904² = 287212122713682432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 9702 + ... + 29189.

It is an arithmetic number, because the mean of its divisors is an integer number (14467824).

Almost surely, 2^378953904 is an apocalyptic number.

It is an amenable number.

378953904 is an abundant number, since it is smaller than the sum of its proper divisors (778472016).

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

378953904 is a wasteful number, since it uses less digits than its factorization.

378953904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38938 (or 38932 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 378953904 is about 19466.7384016943. The cubic root of 378953904 is about 723.6503811391.

The spelling of 378953904 in words is "three hundred seventy-eight million, nine hundred fifty-three thousand, nine hundred four".