297989396 has 12 divisors (see below), whose sum is σ = 552156948. Its totient is φ = 140230272.

The previous prime is 297989387. The next prime is 297989399. The reversal of 297989396 is 693989792.

It can be written as a sum of positive squares in 2 ways, for example, as 236052496 + 61936900 = 15364^2 + 7870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297989399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191031 + ... + 2191166.

It is an arithmetic number, because the mean of its divisors is an integer number (46013079).

Almost surely, 2^297989396 is an apocalyptic number.

It is an amenable number.

297989396 is a deficient number, since it is larger than the sum of its proper divisors (254167552).

297989396 is a wasteful number, since it uses less digits than its factorization.

297989396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382218 (or 4382216 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 62.

The square root of 297989396 is about 17262.3693622863. The cubic root of 297989396 is about 667.9340804111.

The spelling of 297989396 in words is "two hundred ninety-seven million, nine hundred eighty-nine thousand, three hundred ninety-six".