39697164 has 72 divisors (see below), whose sum is σ = 108809792. Its totient is φ = 12130560.

The previous prime is 39697129. The next prime is 39697169. The reversal of 39697164 is 46179693.

It is not an unprimeable number, because it can be changed into a prime (39697169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126672 + ... + 126984.

Almost surely, 2^39697164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39697164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54404896).

39697164 is an abundant number, since it is smaller than the sum of its proper divisors (69112628).

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

39697164 is a wasteful number, since it uses less digits than its factorization.

39697164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 602 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 39697164 is about 6300.5685457743. The cubic root of 39697164 is about 341.1299315947.

The spelling of 39697164 in words is "thirty-nine million, six hundred ninety-seven thousand, one hundred sixty-four".