297712989 has 80 divisors (see below), whose sum is σ = 545580288. Its totient is φ = 158070528.

The previous prime is 297712939. The next prime is 297712999. The reversal of 297712989 is 989217792.

It is not a de Polignac number, because 297712989 - 2⁷ = 297712861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297712939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 482209 + ... + 482825.

Almost surely, 2^297712989 is an apocalyptic number.

It is an amenable number.

297712989 is a deficient number, since it is larger than the sum of its proper divisors (247867299).

297712989 is a wasteful number, since it uses less digits than its factorization.

297712989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 687 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 297712989 is about 17254.3614486309. The cubic root of 297712989 is about 667.7274972568.

The spelling of 297712989 in words is "two hundred ninety-seven million, seven hundred twelve thousand, nine hundred eighty-nine".