39952572 has 48 divisors (see below), whose sum is σ = 102127872. Its totient is φ = 12055680.

The previous prime is 39952571. The next prime is 39952589. The reversal of 39952572 is 27525993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39952571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40833 + ... + 41799.

It is an arithmetic number, because the mean of its divisors is an integer number (2127664).

Almost surely, 2^39952572 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 39952572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51063936).

39952572 is an abundant number, since it is smaller than the sum of its proper divisors (62175300).

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

39952572 is a wasteful number, since it uses less digits than its factorization.

39952572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1296 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 39952572 is about 6320.8046956064. The cubic root of 39952572 is about 341.8599679786.

The spelling of 39952572 in words is "thirty-nine million, nine hundred fifty-two thousand, five hundred seventy-two".