39664122 has 8 divisors (see below), whose sum is σ = 79328256. Its totient is φ = 13221372.

The previous prime is 39664117. The next prime is 39664127. The reversal of 39664122 is 22146693.

It is an interprime number because it is at equal distance from previous prime (39664117) and next prime (39664127).

It is a sphenic number, since it is the product of 3 distinct primes.

39664122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (39664127) 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, 3305338 + ... + 3305349.

It is an arithmetic number, because the mean of its divisors is an integer number (9916032).

Almost surely, 2^39664122 is an apocalyptic number.

39664122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39664122 is a wasteful number, since it uses less digits than its factorization.

39664122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610692.

The product of its digits is 15552, while the sum is 33.

The square root of 39664122 is about 6297.9458555945. The cubic root of 39664122 is about 341.0352586355.

The spelling of 39664122 in words is "thirty-nine million, six hundred sixty-four thousand, one hundred twenty-two".