387793916 has 12 divisors (see below), whose sum is σ = 702040920. Its totient is φ = 187210800.

The previous prime is 387793891. The next prime is 387793927. The reversal of 387793916 is 619397783.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 1671410 + ... + 1671641.

It is an arithmetic number, because the mean of its divisors is an integer number (58503410).

Almost surely, 2^387793916 is an apocalyptic number.

It is an amenable number.

387793916 is a deficient number, since it is larger than the sum of its proper divisors (314247004).

387793916 is a wasteful number, since it uses less digits than its factorization.

387793916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343084 (or 3343082 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The square root of 387793916 is about 19692.4837438044. The cubic root of 387793916 is about 729.2341477132.

The spelling of 387793916 in words is "three hundred eighty-seven million, seven hundred ninety-three thousand, nine hundred sixteen".