297894664 has 32 divisors (see below), whose sum is σ = 564451200. Its totient is φ = 147384000.

The previous prime is 297894637. The next prime is 297894703. The reversal of 297894664 is 466498792.

It is a happy number.

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, 396289 + ... + 397039.

It is an arithmetic number, because the mean of its divisors is an integer number (17639100).

Almost surely, 2^297894664 is an apocalyptic number.

It is an amenable number.

297894664 is a deficient number, since it is larger than the sum of its proper divisors (266556536).

297894664 is a wasteful number, since it uses less digits than its factorization.

297894664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1209 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 297894664 is about 17259.6252566503. The cubic root of 297894664 is about 667.8632932864.

It can be divided in two parts, 29789 and 4664, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 297894664 in words is "two hundred ninety-seven million, eight hundred ninety-four thousand, six hundred sixty-four".