387962816 has 56 divisors (see below), whose sum is σ = 794650176. Its totient is φ = 187827200.

The previous prime is 387962791. The next prime is 387962879. The reversal of 387962816 is 618269783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303170 + ... + 304446.

Almost surely, 2^387962816 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 387962816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397325088).

387962816 is an abundant number, since it is smaller than the sum of its proper divisors (406687360).

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

387962816 is a wasteful number, since it uses less digits than its factorization.

387962816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1427 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 387962816 is about 19696.7717151822. The cubic root of 387962816 is about 729.3400027093.

The spelling of 387962816 in words is "three hundred eighty-seven million, nine hundred sixty-two thousand, eight hundred sixteen".