39433972 has 12 divisors (see below), whose sum is σ = 69053796. Its totient is φ = 19704320.

The previous prime is 39433963. The next prime is 39433973. The reversal of 39433972 is 27933493.

It can be written as a sum of positive squares in 2 ways, for example, as 35952016 + 3481956 = 5996^2 + 1866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39433973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9222 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (5754483).

Almost surely, 2^39433972 is an apocalyptic number.

It is an amenable number.

39433972 is a deficient number, since it is larger than the sum of its proper divisors (29619824).

39433972 is a wasteful number, since it uses less digits than its factorization.

39433972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6336 counting only the distinct ones).

The product of its digits is 122472, while the sum is 40.

The square root of 39433972 is about 6279.6474423330. The cubic root of 39433972 is about 340.3743627368.

The spelling of 39433972 in words is "thirty-nine million, four hundred thirty-three thousand, nine hundred seventy-two".