39969132 has 24 divisors (see below), whose sum is σ = 106584576. Its totient is φ = 11419728.

The previous prime is 39969119. The next prime is 39969143. The reversal of 39969132 is 23196993.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237828 + ... + 237995.

It is an arithmetic number, because the mean of its divisors is an integer number (4441024).

Almost surely, 2^39969132 is an apocalyptic number.

It is an amenable number.

39969132 is an abundant number, since it is smaller than the sum of its proper divisors (66615444).

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

39969132 is a wasteful number, since it uses less digits than its factorization.

39969132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475837 (or 475835 counting only the distinct ones).

The product of its digits is 78732, while the sum is 42.

The square root of 39969132 is about 6322.1145196841. The cubic root of 39969132 is about 341.9071941336.

The spelling of 39969132 in words is "thirty-nine million, nine hundred sixty-nine thousand, one hundred thirty-two".