38685444 has 48 divisors (see below), whose sum is σ = 108595200. Its totient is φ = 10470816.

The previous prime is 38685433. The next prime is 38685467. The reversal of 38685444 is 44458683.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 38685396 and 38685405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10524 + ... + 13715.

It is an arithmetic number, because the mean of its divisors is an integer number (2262400).

Almost surely, 2^38685444 is an apocalyptic number.

It is an amenable number.

38685444 is an abundant number, since it is smaller than the sum of its proper divisors (69909756).

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

38685444 is a wasteful number, since it uses less digits than its factorization.

38685444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24272 (or 24270 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 38685444 is about 6219.7623748822. The cubic root of 38685444 is about 338.2069505124.

The spelling of 38685444 in words is "thirty-eight million, six hundred eighty-five thousand, four hundred forty-four".