38898972 has 72 divisors (see below), whose sum is σ = 113183616. Its totient is φ = 11034144.

The previous prime is 38898967. The next prime is 38898989. The reversal of 38898972 is 27989883.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 40603 + ... + 41549.

Almost surely, 2^38898972 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 38898972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56591808).

38898972 is an abundant number, since it is smaller than the sum of its proper divisors (74284644).

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

38898972 is a wasteful number, since it uses less digits than its factorization.

38898972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 38898972 is about 6236.9040396658. The cubic root of 38898972 is about 338.8280643243.

The spelling of 38898972 in words is "thirty-eight million, eight hundred ninety-eight thousand, nine hundred seventy-two".