296798561 has 4 divisors (see below), whose sum is σ = 303113472. Its totient is φ = 290483652.

The previous prime is 296798539. The next prime is 296798587. The reversal of 296798561 is 165897692.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-296798561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296798501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157385 + ... + 3157478.

It is an arithmetic number, because the mean of its divisors is an integer number (75778368).

Almost surely, 2^296798561 is an apocalyptic number.

It is an amenable number.

296798561 is a deficient number, since it is larger than the sum of its proper divisors (6314911).

296798561 is an equidigital number, since it uses as much as digits as its factorization.

296798561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314910.

The product of its digits is 1632960, while the sum is 53.

The square root of 296798561 is about 17227.8426101471. The cubic root of 296798561 is about 667.0431525420.

The spelling of 296798561 in words is "two hundred ninety-six million, seven hundred ninety-eight thousand, five hundred sixty-one".