297550968 has 128 divisors (see below), whose sum is σ = 880588800. Its totient is φ = 82598400.

The previous prime is 297550961. The next prime is 297550973. The reversal of 297550968 is 869055792.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 297550968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297550961) 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 31 ways as a sum of consecutive naturals, for example, 620953 + ... + 621431.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^297550968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297550968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440294400).

297550968 is an abundant number, since it is smaller than the sum of its proper divisors (583037832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297550968 is a wasteful number, since it uses less digits than its factorization.

297550968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 297550968 is about 17249.6657358918. The cubic root of 297550968 is about 667.6063453282.

The spelling of 297550968 in words is "two hundred ninety-seven million, five hundred fifty thousand, nine hundred sixty-eight".