296922981 has 16 divisors (see below), whose sum is σ = 400386240. Its totient is φ = 195713280.

The previous prime is 296922971. The next prime is 296923009. The reversal of 296922981 is 189229692.

It is a happy number.

It is not a de Polignac number, because 296922981 - 2⁷ = 296922853 is a prime.

It is a super-2 number, since 2×296922981² = 176326513291852722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 296922981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (296922961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182590 + ... + 184208.

It is an arithmetic number, because the mean of its divisors is an integer number (25024140).

Almost surely, 2^296922981 is an apocalyptic number.

It is an amenable number.

296922981 is a deficient number, since it is larger than the sum of its proper divisors (103463259).

296922981 is a wasteful number, since it uses less digits than its factorization.

296922981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276.

The product of its digits is 279936, while the sum is 48.

The square root of 296922981 is about 17231.4532468971. The cubic root of 296922981 is about 667.1363492142.

The spelling of 296922981 in words is "two hundred ninety-six million, nine hundred twenty-two thousand, nine hundred eighty-one".