297746090 has 16 divisors (see below), whose sum is σ = 536167080. Its totient is φ = 119048640.

The previous prime is 297746089. The next prime is 297746107. The reversal of 297746090 is 90647792.

It can be written as a sum of positive squares in 4 ways, for example, as 268337161 + 29408929 = 16381^2 + 5423^2 .

It is a super-2 number, since 2×297746090² = 177305468220576200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27680 + ... + 36900.

Almost surely, 2^297746090 is an apocalyptic number.

297746090 is a deficient number, since it is larger than the sum of its proper divisors (238420990).

297746090 is a wasteful number, since it uses less digits than its factorization.

297746090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 297746090 is about 17255.3206287220. The cubic root of 297746090 is about 667.7522432701.

The spelling of 297746090 in words is "two hundred ninety-seven million, seven hundred forty-six thousand, ninety".