388368916 has 48 divisors (see below), whose sum is σ = 752169600. Its totient is φ = 174356352.

The previous prime is 388368913. The next prime is 388368941. The reversal of 388368916 is 619863883.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388368913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315390 + ... + 316618.

It is an arithmetic number, because the mean of its divisors is an integer number (15670200).

Almost surely, 2^388368916 is an apocalyptic number.

It is an amenable number.

388368916 is a deficient number, since it is larger than the sum of its proper divisors (363800684).

388368916 is a wasteful number, since it uses less digits than its factorization.

388368916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 388368916 is about 19707.0778148360. The cubic root of 388368916 is about 729.5943928029.

The spelling of 388368916 in words is "three hundred eighty-eight million, three hundred sixty-eight thousand, nine hundred sixteen".