297893089 has 6 divisors (see below), whose sum is σ = 322570806. Its totient is φ = 274978080.

The previous prime is 297892997. The next prime is 297893119. The reversal of 297893089 is 980398792.

It can be written as a sum of positive squares in 3 ways, for example, as 31550689 + 266342400 = 5617^2 + 16320^2 .

It is not a de Polignac number, because 297893089 - 2⁷ = 297892961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297893389) 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, 881172 + ... + 881509.

It is an arithmetic number, because the mean of its divisors is an integer number (53761801).

Almost surely, 2^297893089 is an apocalyptic number.

It is an amenable number.

297893089 is a deficient number, since it is larger than the sum of its proper divisors (24677717).

297893089 is a wasteful number, since it uses less digits than its factorization.

297893089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762707 (or 1762694 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 297893089 is about 17259.5796298751. The cubic root of 297893089 is about 667.8621162635.

The spelling of 297893089 in words is "two hundred ninety-seven million, eight hundred ninety-three thousand, eighty-nine".