38688344 has 16 divisors (see below), whose sum is σ = 72948600. Its totient is φ = 19235392.

The previous prime is 38688337. The next prime is 38688367. The reversal of 38688344 is 44388683.

It is a super-2 number, since 2×38688344² = 2993575922924672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38688295 and 38688304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12077 + ... + 14940.

Almost surely, 2^38688344 is an apocalyptic number.

It is an amenable number.

38688344 is a deficient number, since it is larger than the sum of its proper divisors (34260256).

38688344 is a wasteful number, since it uses less digits than its factorization.

38688344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27202 (or 27198 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 38688344 is about 6219.9954983907. The cubic root of 38688344 is about 338.2154013710.

The spelling of 38688344 in words is "thirty-eight million, six hundred eighty-eight thousand, three hundred forty-four".