297948816 has 120 divisors (see below), whose sum is σ = 921548160. Its totient is φ = 89107200.

The previous prime is 297948811. The next prime is 297948869. The reversal of 297948816 is 618849792.

It is not an unprimeable number, because it can be changed into a prime (297948811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123946 + ... + 126326.

It is an arithmetic number, because the mean of its divisors is an integer number (7679568).

Almost surely, 2^297948816 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 297948816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460774080).

297948816 is an abundant number, since it is smaller than the sum of its proper divisors (623599344).

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

297948816 is a wasteful number, since it uses less digits than its factorization.

297948816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2476 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 297948816 is about 17261.1939332133. The cubic root of 297948816 is about 667.9037594268.

The spelling of 297948816 in words is "two hundred ninety-seven million, nine hundred forty-eight thousand, eight hundred sixteen".