388738344 has 32 divisors (see below), whose sum is σ = 973113120. Its totient is φ = 129410496.

The previous prime is 388738333. The next prime is 388738351. The reversal of 388738344 is 443837883.

It is a super-2 number, since 2×388738344² = 302235000191724672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388738293 and 388738302.

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, 8967 + ... + 29289.

It is an arithmetic number, because the mean of its divisors is an integer number (30409785).

Almost surely, 2^388738344 is an apocalyptic number.

It is an amenable number.

388738344 is an abundant number, since it is smaller than the sum of its proper divisors (584374776).

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

388738344 is a wasteful number, since it uses less digits than its factorization.

388738344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21129 (or 21125 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The square root of 388738344 is about 19716.4485645869. The cubic root of 388738344 is about 729.8256567455.

The spelling of 388738344 in words is "three hundred eighty-eight million, seven hundred thirty-eight thousand, three hundred forty-four".