38938944 has 112 divisors (see below), whose sum is σ = 114117120. Its totient is φ = 11619840.

The previous prime is 38938943. The next prime is 38938957. The reversal of 38938944 is 44983983.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 38938893 and 38938902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38938943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217447 + ... + 217625.

Almost surely, 2^38938944 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 38938944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57058560).

38938944 is an abundant number, since it is smaller than the sum of its proper divisors (75178176).

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

38938944 is a wasteful number, since it uses less digits than its factorization.

38938944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 298 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 38938944 is about 6240.1076913784. The cubic root of 38938944 is about 338.9440828055.

The spelling of 38938944 in words is "thirty-eight million, nine hundred thirty-eight thousand, nine hundred forty-four".