38572506 has 72 divisors (see below), whose sum is σ = 98407764. Its totient is φ = 10886400.

The previous prime is 38572481. The next prime is 38572519. The reversal of 38572506 is 60527583.

38572506 is a `hidden beast` number, since 3 + 85 + 72 + 506 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38378025 + 194481 = 6195^2 + 441^2 .

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, 88866 + ... + 89298.

Almost surely, 2^38572506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38572506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49203882).

38572506 is an abundant number, since it is smaller than the sum of its proper divisors (59835258).

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

38572506 is a wasteful number, since it uses less digits than its factorization.

38572506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 38572506 is about 6210.6767747163. The cubic root of 38572506 is about 337.8775100895.

The spelling of 38572506 in words is "thirty-eight million, five hundred seventy-two thousand, five hundred six".