38817944 has 16 divisors (see below), whose sum is σ = 79400520. Its totient is φ = 17644480.

The previous prime is 38817941. The next prime is 38817959. The reversal of 38817944 is 44971883.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 38817895 and 38817904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38817941) 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, 220469 + ... + 220644.

Almost surely, 2^38817944 is an apocalyptic number.

It is an amenable number.

38817944 is an abundant number, since it is smaller than the sum of its proper divisors (40582576).

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

38817944 is a wasteful number, since it uses less digits than its factorization.

38817944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441130 (or 441126 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 38817944 is about 6230.4048022580. The cubic root of 38817944 is about 338.5926369764.

The spelling of 38817944 in words is "thirty-eight million, eight hundred seventeen thousand, nine hundred forty-four".