387772460 has 24 divisors (see below), whose sum is σ = 817429536. Its totient is φ = 154517120.

The previous prime is 387772457. The next prime is 387772477. The reversal of 387772460 is 64277783.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31601 + ... + 42120.

It is an arithmetic number, because the mean of its divisors is an integer number (34059564).

Almost surely, 2^387772460 is an apocalyptic number.

It is an amenable number.

387772460 is an abundant number, since it is smaller than the sum of its proper divisors (429657076).

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

387772460 is a wasteful number, since it uses less digits than its factorization.

387772460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73993 (or 73991 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 387772460 is about 19691.9389598891. The cubic root of 387772460 is about 729.2206983562.

The spelling of 387772460 in words is "three hundred eighty-seven million, seven hundred seventy-two thousand, four hundred sixty".