388601900 has 36 divisors (see below), whose sum is σ = 844685520. Its totient is φ = 155179200.

The previous prime is 388601893. The next prime is 388601921. The reversal of 388601900 is 9106883.

It is a super-2 number, since 2×388601900² = 302022873367220000, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 63161 + ... + 69039.

Almost surely, 2^388601900 is an apocalyptic number.

It is an amenable number.

388601900 is an abundant number, since it is smaller than the sum of its proper divisors (456083620).

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

388601900 is a wasteful number, since it uses less digits than its factorization.

388601900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554 (or 6547 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 388601900 is about 19712.9881042931. The cubic root of 388601900 is about 729.7402591283.

The spelling of 388601900 in words is "three hundred eighty-eight million, six hundred one thousand, nine hundred".