387900932 has 6 divisors (see below), whose sum is σ = 678826638. Its totient is φ = 193950464.

The previous prime is 387900913. The next prime is 387900943. The reversal of 387900932 is 239009783.

It can be written as a sum of positive squares in only one way, i.e., 276091456 + 111809476 = 16616^2 + 10574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 387900932.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48487613 + ... + 48487620.

It is an arithmetic number, because the mean of its divisors is an integer number (113137773).

Almost surely, 2^387900932 is an apocalyptic number.

It is an amenable number.

387900932 is a deficient number, since it is larger than the sum of its proper divisors (290925706).

387900932 is a wasteful number, since it uses less digits than its factorization.

387900932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96975237 (or 96975235 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 387900932 is about 19695.2007352045. The cubic root of 387900932 is about 729.3012216072.

The spelling of 387900932 in words is "three hundred eighty-seven million, nine hundred thousand, nine hundred thirty-two".