387688632 has 16 divisors (see below), whose sum is σ = 969221640. Its totient is φ = 129229536.

The previous prime is 387688607. The next prime is 387688633. The reversal of 387688632 is 236886783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387688633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8076823 + ... + 8076870.

Almost surely, 2^387688632 is an apocalyptic number.

It is an amenable number.

387688632 is an abundant number, since it is smaller than the sum of its proper divisors (581533008).

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

387688632 is a wasteful number, since it uses less digits than its factorization.

387688632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16153702 (or 16153698 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 387688632 is about 19689.8103596759. The cubic root of 387688632 is about 729.1681473334.

The spelling of 387688632 in words is "three hundred eighty-seven million, six hundred eighty-eight thousand, six hundred thirty-two".