378865400 has 48 divisors (see below), whose sum is σ = 932685840. Its totient is φ = 142630400.

The previous prime is 378865397. The next prime is 378865411. The reversal of 378865400 is 4568873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52316 + ... + 59115.

It is an arithmetic number, because the mean of its divisors is an integer number (19430955).

Almost surely, 2^378865400 is an apocalyptic number.

It is an amenable number.

378865400 is an abundant number, since it is smaller than the sum of its proper divisors (553820440).

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

378865400 is a wasteful number, since it uses less digits than its factorization.

378865400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111464 (or 111455 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 378865400 is about 19464.4650581515. The cubic root of 378865400 is about 723.5940410062.

The spelling of 378865400 in words is "three hundred seventy-eight million, eight hundred sixty-five thousand, four hundred".