39715252 has 6 divisors (see below), whose sum is σ = 69501698. Its totient is φ = 19857624.

The previous prime is 39715243. The next prime is 39715253. The reversal of 39715252 is 25251793.

It can be written as a sum of positive squares in only one way, i.e., 21771556 + 17943696 = 4666^2 + 4236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39715253) 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 as a sum of consecutive naturals, namely, 4964403 + ... + 4964410.

Almost surely, 2^39715252 is an apocalyptic number.

It is an amenable number.

39715252 is a deficient number, since it is larger than the sum of its proper divisors (29786446).

39715252 is a wasteful number, since it uses less digits than its factorization.

39715252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928817 (or 9928815 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 39715252 is about 6302.0038083137. The cubic root of 39715252 is about 341.1817356419.

The spelling of 39715252 in words is "thirty-nine million, seven hundred fifteen thousand, two hundred fifty-two".