296216091 has 6 divisors (see below), whose sum is σ = 427867700. Its totient is φ = 197477388.

The previous prime is 296216087. The next prime is 296216101. The reversal of 296216091 is 190612692.

296216091 is a `hidden beast` number, since 29 + 6 + 21 + 609 + 1 = 666.

It is not a de Polignac number, because 296216091 - 2² = 296216087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296216071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16456441 + ... + 16456458.

Almost surely, 2^296216091 is an apocalyptic number.

296216091 is a deficient number, since it is larger than the sum of its proper divisors (131651609).

296216091 is a wasteful number, since it uses less digits than its factorization.

296216091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32912905 (or 32912902 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 296216091 is about 17210.9294054679. The cubic root of 296216091 is about 666.6065072659.

The spelling of 296216091 in words is "two hundred ninety-six million, two hundred sixteen thousand, ninety-one".