388977848 has 32 divisors (see below), whose sum is σ = 834843360. Its totient is φ = 166440960.

The previous prime is 388977829. The next prime is 388977851. The reversal of 388977848 is 848779883.

It is a super-2 number, since 2×388977848² = 302607532469422208, which contains 22 as substring.

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, 32528 + ... + 42848.

It is an arithmetic number, because the mean of its divisors is an integer number (26088855).

Almost surely, 2^388977848 is an apocalyptic number.

It is an amenable number.

388977848 is an abundant number, since it is smaller than the sum of its proper divisors (445865512).

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

388977848 is a wasteful number, since it uses less digits than its factorization.

388977848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11007 (or 11003 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 62.

The square root of 388977848 is about 19722.5213398287. The cubic root of 388977848 is about 729.9755092803.

The spelling of 388977848 in words is "three hundred eighty-eight million, nine hundred seventy-seven thousand, eight hundred forty-eight".