388675772 has 12 divisors (see below), whose sum is σ = 680372616. Its totient is φ = 194283600.

The previous prime is 388675751. The next prime is 388675801. The reversal of 388675772 is 277576883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522 + ... + 28422.

It is an arithmetic number, because the mean of its divisors is an integer number (56697718).

Almost surely, 2^388675772 is an apocalyptic number.

It is an amenable number.

388675772 is a deficient number, since it is larger than the sum of its proper divisors (291696844).

388675772 is a wasteful number, since it uses less digits than its factorization.

388675772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27148 (or 27146 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 53.

The square root of 388675772 is about 19714.8617038010. The cubic root of 388675772 is about 729.7864966419.

The spelling of 388675772 in words is "three hundred eighty-eight million, six hundred seventy-five thousand, seven hundred seventy-two".