387862992 has 140 divisors (see below), whose sum is σ = 1229546304. Its totient is φ = 117495360.

The previous prime is 387862963. The next prime is 387862997. The reversal of 387862992 is 299268783.

It is a happy number.

387862992 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 629 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387862997) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 126793 + ... + 129815.

Almost surely, 2^387862992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387862992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614773152).

387862992 is an abundant number, since it is smaller than the sum of its proper divisors (841683312).

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

387862992 is a wasteful number, since it uses less digits than its factorization.

387862992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3039 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 387862992 is about 19694.2375328419. The cubic root of 387862992 is about 729.2774435510.

The spelling of 387862992 in words is "three hundred eighty-seven million, eight hundred sixty-two thousand, nine hundred ninety-two".