388846772 has 12 divisors (see below), whose sum is σ = 681393216. Its totient is φ = 194163000.

The previous prime is 388846771. The next prime is 388846781. The reversal of 388846772 is 277648883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388846771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61718 + ... + 67725.

It is an arithmetic number, because the mean of its divisors is an integer number (56782768).

Almost surely, 2^388846772 is an apocalyptic number.

It is an amenable number.

388846772 is a deficient number, since it is larger than the sum of its proper divisors (292546444).

388846772 is a wasteful number, since it uses less digits than its factorization.

388846772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130198 (or 130196 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 388846772 is about 19719.1980567162. The cubic root of 388846772 is about 729.8935054508.

The spelling of 388846772 in words is "three hundred eighty-eight million, eight hundred forty-six thousand, seven hundred seventy-two".