387662788 has 12 divisors (see below), whose sum is σ = 686584080. Its totient is φ = 191495912.

The previous prime is 387662711. The next prime is 387662791. The reversal of 387662788 is 887266783.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583498 + ... + 584161.

It is an arithmetic number, because the mean of its divisors is an integer number (57215340).

Almost surely, 2^387662788 is an apocalyptic number.

It is an amenable number.

387662788 is a deficient number, since it is larger than the sum of its proper divisors (298921292).

387662788 is a wasteful number, since it uses less digits than its factorization.

387662788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167746 (or 1167744 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The square root of 387662788 is about 19689.1540701981. The cubic root of 387662788 is about 729.1519444335.

The spelling of 387662788 in words is "three hundred eighty-seven million, six hundred sixty-two thousand, seven hundred eighty-eight".