39681132 has 24 divisors (see below), whose sum is σ = 92980272. Its totient is φ = 13171200.

The previous prime is 39681127. The next prime is 39681133. The reversal of 39681132 is 23118693.

It is a junction number, because it is equal to n+sod(n) for n = 39681093 and 39681102.

It is not an unprimeable number, because it can be changed into a prime (39681133) 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, 3969 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (3874178).

Almost surely, 2^39681132 is an apocalyptic number.

It is an amenable number.

39681132 is an abundant number, since it is smaller than the sum of its proper divisors (53299140).

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

39681132 is a wasteful number, since it uses less digits than its factorization.

39681132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13969 (or 13967 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 39681132 is about 6299.2961511585. The cubic root of 39681132 is about 341.0840027767.

The spelling of 39681132 in words is "thirty-nine million, six hundred eighty-one thousand, one hundred thirty-two".