39959514 has 64 divisors (see below), whose sum is σ = 103207680. Its totient is φ = 11223360.

The previous prime is 39959497. The next prime is 39959561. The reversal of 39959514 is 41595993.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39959514.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22192 + ... + 23924.

It is an arithmetic number, because the mean of its divisors is an integer number (1612620).

Almost surely, 2^39959514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39959514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51603840).

39959514 is an abundant number, since it is smaller than the sum of its proper divisors (63248166).

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

39959514 is a wasteful number, since it uses less digits than its factorization.

39959514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1806 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 39959514 is about 6321.3538106959. The cubic root of 39959514 is about 341.8797669080.

The spelling of 39959514 in words is "thirty-nine million, nine hundred fifty-nine thousand, five hundred fourteen".