388897934 has 8 divisors (see below), whose sum is σ = 596913240. Its totient is φ = 189926856.

The previous prime is 388897931. The next prime is 388897963. The reversal of 388897934 is 439798883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388897931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260949 + ... + 2261120.

It is an arithmetic number, because the mean of its divisors is an integer number (74614155).

Almost surely, 2^388897934 is an apocalyptic number.

388897934 is a deficient number, since it is larger than the sum of its proper divisors (208015306).

388897934 is a wasteful number, since it uses less digits than its factorization.

388897934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522114.

The product of its digits is 10450944, while the sum is 59.

The square root of 388897934 is about 19720.4952777561. The cubic root of 388897934 is about 729.9255156380.

The spelling of 388897934 in words is "three hundred eighty-eight million, eight hundred ninety-seven thousand, nine hundred thirty-four".