38409572 has 24 divisors (see below), whose sum is σ = 69854400. Its totient is φ = 18457376.

The previous prime is 38409551. The next prime is 38409619. The reversal of 38409572 is 27590483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29879 + ... + 31137.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^38409572 is an apocalyptic number.

It is an amenable number.

38409572 is a deficient number, since it is larger than the sum of its proper divisors (31444828).

38409572 is a wasteful number, since it uses less digits than its factorization.

38409572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 38409572 is about 6197.5456432365. The cubic root of 38409572 is about 337.4010962136.

The spelling of 38409572 in words is "thirty-eight million, four hundred nine thousand, five hundred seventy-two".