38929572 has 108 divisors (see below), whose sum is σ = 112509488. Its totient is φ = 11761200.

The previous prime is 38929567. The next prime is 38929603. The reversal of 38929572 is 27592983.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×38929572² = 3031023152206368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117447 + ... + 117777.

Almost surely, 2^38929572 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 38929572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56254744).

38929572 is an abundant number, since it is smaller than the sum of its proper divisors (73579916).

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

38929572 is a wasteful number, since it uses less digits than its factorization.

38929572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 347 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 38929572 is about 6239.3566976091. The cubic root of 38929572 is about 338.9168877620.

The spelling of 38929572 in words is "thirty-eight million, nine hundred twenty-nine thousand, five hundred seventy-two".