39968229 has 32 divisors (see below), whose sum is σ = 64768000. Its totient is φ = 21415104.

The previous prime is 39968221. The next prime is 39968249. The reversal of 39968229 is 92286993.

It is not a de Polignac number, because 39968229 - 2³ = 39968221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39968221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43032 + ... + 43950.

It is an arithmetic number, because the mean of its divisors is an integer number (2024000).

Almost surely, 2^39968229 is an apocalyptic number.

It is an amenable number.

39968229 is a deficient number, since it is larger than the sum of its proper divisors (24799771).

39968229 is a wasteful number, since it uses less digits than its factorization.

39968229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 419904, while the sum is 48.

The square root of 39968229 is about 6322.0431033013. The cubic root of 39968229 is about 341.9046192756.

The spelling of 39968229 in words is "thirty-nine million, nine hundred sixty-eight thousand, two hundred twenty-nine".