39993532 has 12 divisors (see below), whose sum is σ = 71696016. Its totient is φ = 19508960.

The previous prime is 39993529. The next prime is 39993533. The reversal of 39993532 is 23539993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39993533) 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, 121768 + ... + 122095.

It is an arithmetic number, because the mean of its divisors is an integer number (5974668).

Almost surely, 2^39993532 is an apocalyptic number.

It is an amenable number.

39993532 is a deficient number, since it is larger than the sum of its proper divisors (31702484).

39993532 is a wasteful number, since it uses less digits than its factorization.

39993532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243908 (or 243906 counting only the distinct ones).

The product of its digits is 196830, while the sum is 43.

The square root of 39993532 is about 6324.0439593665. The cubic root of 39993532 is about 341.9767548010.

The spelling of 39993532 in words is "thirty-nine million, nine hundred ninety-three thousand, five hundred thirty-two".