388893552 has 40 divisors (see below), whose sum is σ = 1005352320. Its totient is φ = 129539520.

The previous prime is 388893541. The next prime is 388893601. The reversal of 388893552 is 255398883.

It is a junction number, because it is equal to n+sod(n) for n = 388893495 and 388893504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120277 + ... + 123467.

It is an arithmetic number, because the mean of its divisors is an integer number (25133808).

Almost surely, 2^388893552 is an apocalyptic number.

It is an amenable number.

388893552 is an abundant number, since it is smaller than the sum of its proper divisors (616458768).

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

388893552 is a wasteful number, since it uses less digits than its factorization.

388893552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5735 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 388893552 is about 19720.3841747568. The cubic root of 388893552 is about 729.9227740912.

The spelling of 388893552 in words is "three hundred eighty-eight million, eight hundred ninety-three thousand, five hundred fifty-two".