296868681 has 12 divisors (see below), whose sum is σ = 429083460. Its totient is φ = 197786400.

The previous prime is 296868661. The next prime is 296868683. The reversal of 296868681 is 186868692.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108493056 + 188375625 = 10416^2 + 13725^2 .

It is not a de Polignac number, because 296868681 - 2⁷ = 296868553 is a prime.

It is a super-2 number, since 2×296868681² = 176262027517359522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (296868683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5731 + ... + 25031.

It is an arithmetic number, because the mean of its divisors is an integer number (35756955).

Almost surely, 2^296868681 is an apocalyptic number.

It is an amenable number.

296868681 is a deficient number, since it is larger than the sum of its proper divisors (132214779).

296868681 is a wasteful number, since it uses less digits than its factorization.

296868681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016 (or 21013 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 296868681 is about 17229.8775677600. The cubic root of 296868681 is about 667.0956790578.

The spelling of 296868681 in words is "two hundred ninety-six million, eight hundred sixty-eight thousand, six hundred eighty-one".