297930 has 16 divisors (see below), whose sum is σ = 715104. Its totient is φ = 79440.

The previous prime is 297911. The next prime is 297931. The reversal of 297930 is 39792.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9931 = 297930 / (2 + 9 + 7 + 9 + 3 + 0).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 297930.

It is not an unprimeable number, because it can be changed into a prime (297931) by changing a digit.

297930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4936 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (44694).

2²⁹⁷⁹³⁰ is an apocalyptic number.

297930 is an abundant number, since it is smaller than the sum of its proper divisors (417174).

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

297930 is a wasteful number, since it uses less digits than its factorization.

297930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 297930 is about 545.8296437534. The cubic root of 297930 is about 66.7889699359.

Subtracting from 297930 its product of nonzero digits (3402), we obtain a triangular number (294528 = T₇₆₇).

The spelling of 297930 in words is "two hundred ninety-seven thousand, nine hundred thirty".