388869320 has 32 divisors (see below), whose sum is σ = 999950400. Its totient is φ = 133326528.

The previous prime is 388869293. The next prime is 388869329. The reversal of 388869320 is 23968883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (388869329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694130 + ... + 694689.

It is an arithmetic number, because the mean of its divisors is an integer number (31248450).

Almost surely, 2^388869320 is an apocalyptic number.

It is an amenable number.

388869320 is an abundant number, since it is smaller than the sum of its proper divisors (611081080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388869320 is a wasteful number, since it uses less digits than its factorization.

388869320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388837 (or 1388833 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 388869320 is about 19719.7697755324. The cubic root of 388869320 is about 729.9076132536.

The spelling of 388869320 in words is "three hundred eighty-eight million, eight hundred sixty-nine thousand, three hundred twenty".