296138864 has 80 divisors (see below), whose sum is σ = 694003200. Its totient is φ = 119584512.

The previous prime is 296138849. The next prime is 296138873. The reversal of 296138864 is 468831692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674357 + ... + 674795.

It is an arithmetic number, because the mean of its divisors is an integer number (8675040).

Almost surely, 2^296138864 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 296138864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347001600).

296138864 is an abundant number, since it is smaller than the sum of its proper divisors (397864336).

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

296138864 is a wasteful number, since it uses less digits than its factorization.

296138864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 296138864 is about 17208.6857139062. The cubic root of 296138864 is about 666.5485715260.

The spelling of 296138864 in words is "two hundred ninety-six million, one hundred thirty-eight thousand, eight hundred sixty-four".