388260956 has 12 divisors (see below), whose sum is σ = 679597800. Its totient is φ = 194090160.

The previous prime is 388260931. The next prime is 388260967. The reversal of 388260956 is 659062883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 388260956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25691 + ... + 37901.

It is an arithmetic number, because the mean of its divisors is an integer number (56633150).

Almost surely, 2^388260956 is an apocalyptic number.

It is an amenable number.

388260956 is a deficient number, since it is larger than the sum of its proper divisors (291336844).

388260956 is a wasteful number, since it uses less digits than its factorization.

388260956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164 (or 20162 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 388260956 is about 19704.3385070395. The cubic root of 388260956 is about 729.5267815643.

The spelling of 388260956 in words is "three hundred eighty-eight million, two hundred sixty thousand, nine hundred fifty-six".