388893274 has 48 divisors (see below), whose sum is σ = 737581824. Its totient is φ = 150527520.

The previous prime is 388893257. The next prime is 388893287. The reversal of 388893274 is 472398883.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292399 + ... + 293725.

It is an arithmetic number, because the mean of its divisors is an integer number (15366288).

Almost surely, 2^388893274 is an apocalyptic number.

388893274 is a deficient number, since it is larger than the sum of its proper divisors (348688550).

388893274 is a wasteful number, since it uses less digits than its factorization.

388893274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1520 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 388893274 is about 19720.3771262114. The cubic root of 388893274 is about 729.9226001631.

The spelling of 388893274 in words is "three hundred eighty-eight million, eight hundred ninety-three thousand, two hundred seventy-four".