39982572 has 180 divisors, whose sum is σ = 128974384. Its totient is φ = 10575360.

The previous prime is 39982559. The next prime is 39982573. The reversal of 39982572 is 27528993.

39982572 is a `hidden beast` number, since 399 + 8 + 257 + 2 = 666.

Its product of digits (272160) is a multiple of the sum of its prime divisors (90).

It is not an unprimeable number, because it can be changed into a prime (39982573) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 655422 + ... + 655482.

Almost surely, 2^39982572 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 39982572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64487192).

39982572 is an abundant number, since it is smaller than the sum of its proper divisors (88991812).

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

39982572 is a wasteful number, since it uses less digits than its factorization.

39982572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 90 counting only the distinct ones).

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

The square root of 39982572 is about 6323.1773658502. The cubic root of 39982572 is about 341.9455130187.

The spelling of 39982572 in words is "thirty-nine million, nine hundred eighty-two thousand, five hundred seventy-two".