297485649 has 16 divisors (see below), whose sum is σ = 443188800. Its totient is φ = 197212608.

The previous prime is 297485623. The next prime is 297485659. The reversal of 297485649 is 946584792.

297485649 is a `hidden beast` number, since 2 + 9 + 74 + 8 + 564 + 9 = 666.

It is not a de Polignac number, because 297485649 - 2¹¹ = 297483601 is a prime.

It is a super-2 number, since 2×297485649² = 176995422721902402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 297485595 and 297485604.

It is not an unprimeable number, because it can be changed into a prime (297485609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25944 + ... + 35609.

It is an arithmetic number, because the mean of its divisors is an integer number (27699300).

Almost surely, 2^297485649 is an apocalyptic number.

It is an amenable number.

297485649 is a deficient number, since it is larger than the sum of its proper divisors (145703151).

297485649 is a wasteful number, since it uses less digits than its factorization.

297485649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61741 (or 61735 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 297485649 is about 17247.7722909366. The cubic root of 297485649 is about 667.5574903141.

The spelling of 297485649 in words is "two hundred ninety-seven million, four hundred eighty-five thousand, six hundred forty-nine".