39666252 has 24 divisors (see below), whose sum is σ = 92739136. Its totient is φ = 13195728.

The previous prime is 39666251. The next prime is 39666301. The reversal of 39666252 is 25266693.

It is a self number, because there is not a number n which added to its sum of digits gives 39666252.

It is not an unprimeable number, because it can be changed into a prime (39666251) 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 7 ways as a sum of consecutive naturals, for example, 3543 + ... + 9585.

Almost surely, 2^39666252 is an apocalyptic number.

It is an amenable number.

39666252 is an abundant number, since it is smaller than the sum of its proper divisors (53072884).

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

39666252 is a wasteful number, since it uses less digits than its factorization.

39666252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597 (or 6595 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 39666252 is about 6298.1149560801. The cubic root of 39666252 is about 341.0413631624.

The spelling of 39666252 in words is "thirty-nine million, six hundred sixty-six thousand, two hundred fifty-two".