39964834 has 16 divisors (see below), whose sum is σ = 73781568. Its totient is φ = 15810192.

The previous prime is 39964831. The next prime is 39964849. The reversal of 39964834 is 43846993.

It is not an unprimeable number, because it can be changed into a prime (39964831) 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, 109612 + ... + 109975.

It is an arithmetic number, because the mean of its divisors is an integer number (4611348).

Almost surely, 2^39964834 is an apocalyptic number.

39964834 is a deficient number, since it is larger than the sum of its proper divisors (33816734).

39964834 is a wasteful number, since it uses less digits than its factorization.

39964834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219609.

The product of its digits is 559872, while the sum is 46.

The square root of 39964834 is about 6321.7745926282. The cubic root of 39964834 is about 341.8949382608.

The spelling of 39964834 in words is "thirty-nine million, nine hundred sixty-four thousand, eight hundred thirty-four".