39446572 has 24 divisors (see below), whose sum is σ = 76344912. Its totient is φ = 17683200.

The previous prime is 39446557. The next prime is 39446573. The reversal of 39446572 is 27564493.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39446573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (3181038).

Almost surely, 2^39446572 is an apocalyptic number.

It is an amenable number.

39446572 is a deficient number, since it is larger than the sum of its proper divisors (36898340).

39446572 is a wasteful number, since it uses less digits than its factorization.

39446572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12369 (or 12367 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 39446572 is about 6280.6506032417. The cubic root of 39446572 is about 340.4106111799.

The spelling of 39446572 in words is "thirty-nine million, four hundred forty-six thousand, five hundred seventy-two".