38901872 has 10 divisors (see below), whose sum is σ = 75372408. Its totient is φ = 19450928.

The previous prime is 38901871. The next prime is 38901887. The reversal of 38901872 is 27810983.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38901871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215668 + ... + 1215699.

Almost surely, 2^38901872 is an apocalyptic number.

It is an amenable number.

38901872 is a deficient number, since it is larger than the sum of its proper divisors (36470536).

38901872 is a wasteful number, since it uses less digits than its factorization.

38901872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431375 (or 2431369 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 38901872 is about 6237.1365224757. The cubic root of 38901872 is about 338.8364842295.

The spelling of 38901872 in words is "thirty-eight million, nine hundred one thousand, eight hundred seventy-two".