378728952 has 64 divisors (see below), whose sum is σ = 1084235520. Its totient is φ = 107993088.

The previous prime is 378728947. The next prime is 378728983. The reversal of 378728952 is 259827873.

It is a junction number, because it is equal to n+sod(n) for n = 378728895 and 378728904.

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, 94983 + ... + 98889.

It is an arithmetic number, because the mean of its divisors is an integer number (16941180).

Almost surely, 2^378728952 is an apocalyptic number.

It is an amenable number.

378728952 is an abundant number, since it is smaller than the sum of its proper divisors (705506568).

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

378728952 is a wasteful number, since it uses less digits than its factorization.

378728952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4496 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 378728952 is about 19460.9596885662. The cubic root of 378728952 is about 723.5071633491.

The spelling of 378728952 in words is "three hundred seventy-eight million, seven hundred twenty-eight thousand, nine hundred fifty-two".