38974464 has 66 divisors (see below), whose sum is σ = 112564530. Its totient is φ = 12988416.

The previous prime is 38974427. The next prime is 38974487. The reversal of 38974464 is 46447983.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 36864 = 6240^2 + 192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7102 + ... + 11330.

Almost surely, 2^38974464 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 38974464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56282265).

38974464 is an abundant number, since it is smaller than the sum of its proper divisors (73590066).

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

38974464 is a wasteful number, since it uses less digits than its factorization.

38974464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4234 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 38974464 is about 6242.9531473494. The cubic root of 38974464 is about 339.0471127776.

The spelling of 38974464 in words is "thirty-eight million, nine hundred seventy-four thousand, four hundred sixty-four".