378947832 has 64 divisors (see below), whose sum is σ = 964224000. Its totient is φ = 124086144.

The previous prime is 378947831. The next prime is 378947857. The reversal of 378947832 is 238749873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378947831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509653 + ... + 510395.

It is an arithmetic number, because the mean of its divisors is an integer number (15066000).

Almost surely, 2^378947832 is an apocalyptic number.

It is an amenable number.

378947832 is an abundant number, since it is smaller than the sum of its proper divisors (585276168).

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

378947832 is a wasteful number, since it uses less digits than its factorization.

378947832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1096 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 378947832 is about 19466.5824427402. The cubic root of 378947832 is about 723.6465160880.

The spelling of 378947832 in words is "three hundred seventy-eight million, nine hundred forty-seven thousand, eight hundred thirty-two".