297942400 has 192 divisors, whose sum is σ = 862087680. Its totient is φ = 99624960.

The previous prime is 297942383. The next prime is 297942427. The reversal of 297942400 is 4249792.

It is a self number, because there is not a number n which added to its sum of digits gives 297942400.

It is a congruent number.

It is an unprimeable number.

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, 1052659 + ... + 1052941.

It is an arithmetic number, because the mean of its divisors is an integer number (4490040).

Almost surely, 2^297942400 is an apocalyptic number.

297942400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297942400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431043840).

297942400 is an abundant number, since it is smaller than the sum of its proper divisors (564145280).

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

297942400 is a wasteful number, since it uses less digits than its factorization.

297942400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 297942400 is about 17261.0080818010. The cubic root of 297942400 is about 667.8989652014.

The spelling of 297942400 in words is "two hundred ninety-seven million, nine hundred forty-two thousand, four hundred".