297830 has 32 divisors (see below), whose sum is σ = 604800. Its totient is φ = 104832.

The previous prime is 297811. The next prime is 297833. The reversal of 297830 is 38792.

297830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 297793 and 297802.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 297830.

It is not an unprimeable number, because it can be changed into a prime (297833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3731 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2²⁹⁷⁸³⁰ is an apocalyptic number.

297830 is an abundant number, since it is smaller than the sum of its proper divisors (306970).

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

297830 is a wasteful number, since it uses less digits than its factorization.

297830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 297830 is about 545.7380323928. The cubic root of 297830 is about 66.7814965424.

The spelling of 297830 in words is "two hundred ninety-seven thousand, eight hundred thirty".