38872944 has 180 divisors, whose sum is σ = 126064848. Its totient is φ = 11151360.

The previous prime is 38872943. The next prime is 38872949. The reversal of 38872944 is 44927883.

It is a super-2 number, since 2×38872944² = 3022211550454272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38872944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38872943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 400704 + ... + 400800.

Almost surely, 2^38872944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38872944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63032424).

38872944 is an abundant number, since it is smaller than the sum of its proper divisors (87191904).

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

38872944 is a wasteful number, since it uses less digits than its factorization.

38872944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 136 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 38872944 is about 6234.8170783111. The cubic root of 38872944 is about 338.7524754838.

The spelling of 38872944 in words is "thirty-eight million, eight hundred seventy-two thousand, nine hundred forty-four".