39994532 has 6 divisors (see below), whose sum is σ = 69990438. Its totient is φ = 19997264.

The previous prime is 39994531. The next prime is 39994571. The reversal of 39994532 is 23549993.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 2735716 = 6104^2 + 1654^2 .

It is not an unprimeable number, because it can be changed into a prime (39994531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999313 + ... + 4999320.

It is an arithmetic number, because the mean of its divisors is an integer number (11665073).

Almost surely, 2^39994532 is an apocalyptic number.

It is an amenable number.

39994532 is a deficient number, since it is larger than the sum of its proper divisors (29995906).

39994532 is a wasteful number, since it uses less digits than its factorization.

39994532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9998637 (or 9998635 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 39994532 is about 6324.1230222063. The cubic root of 39994532 is about 341.9796050444.

The spelling of 39994532 in words is "thirty-nine million, nine hundred ninety-four thousand, five hundred thirty-two".