39797264 has 40 divisors (see below), whose sum is σ = 84208152. Its totient is φ = 18109440.

The previous prime is 39797213. The next prime is 39797279. The reversal of 39797264 is 46279793.

It can be written as a sum of positive squares in 4 ways, for example, as 6250000 + 33547264 = 2500^2 + 5792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13874 + ... + 16494.

Almost surely, 2^39797264 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 39797264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42104076).

39797264 is an abundant number, since it is smaller than the sum of its proper divisors (44410888).

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

39797264 is a wasteful number, since it uses less digits than its factorization.

39797264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2709 counting only the distinct ones).

The product of its digits is 571536, while the sum is 47.

The square root of 39797264 is about 6308.5072719305. The cubic root of 39797264 is about 341.4164209488.

The spelling of 39797264 in words is "thirty-nine million, seven hundred ninety-seven thousand, two hundred sixty-four".