39963396 has 72 divisors (see below), whose sum is σ = 108591840. Its totient is φ = 11390720.

The previous prime is 39963389. The next prime is 39963401. The reversal of 39963396 is 69336993.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23875 + ... + 25493.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 2^39963396 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 39963396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54295920).

39963396 is an abundant number, since it is smaller than the sum of its proper divisors (68628444).

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

39963396 is a wasteful number, since it uses less digits than its factorization.

39963396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1652 counting only the distinct ones).

The product of its digits is 708588, while the sum is 48.

The square root of 39963396 is about 6321.6608577177. The cubic root of 39963396 is about 341.8908375655.

The spelling of 39963396 in words is "thirty-nine million, nine hundred sixty-three thousand, three hundred ninety-six".