388667956 has 12 divisors (see below), whose sum is σ = 702110080. Its totient is φ = 188065080.

The previous prime is 388667941. The next prime is 388667959. The reversal of 388667956 is 659766883.

It is a self number, because there is not a number n which added to its sum of digits gives 388667956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388667959) 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, 1567086 + ... + 1567333.

Almost surely, 2^388667956 is an apocalyptic number.

It is an amenable number.

388667956 is a deficient number, since it is larger than the sum of its proper divisors (313442124).

388667956 is a wasteful number, since it uses less digits than its factorization.

388667956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134454 (or 3134452 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The square root of 388667956 is about 19714.6634767119. The cubic root of 388667956 is about 729.7816047758.

The spelling of 388667956 in words is "three hundred eighty-eight million, six hundred sixty-seven thousand, nine hundred fifty-six".