297984 has 44 divisors (see below), whose sum is σ = 802424. Its totient is φ = 98304.

The previous prime is 297971. The next prime is 297989. The reversal of 297984 is 489792.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 297984.

It is not an unprimeable number, because it can be changed into a prime (297989) by changing a digit.

297984 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 3 ways as a sum of consecutive naturals, for example, 3024 + ... + 3120.

2²⁹⁷⁹⁸⁴ is an apocalyptic number.

297984 is a gapful number since it is divisible by the number (24) 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 297984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401212).

297984 is an abundant number, since it is smaller than the sum of its proper divisors (504440).

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

297984 is an equidigital number, since it uses as much as digits as its factorization.

297984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 102 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 297984 is about 545.8791074954. The cubic root of 297984 is about 66.7930048731.

The spelling of 297984 in words is "two hundred ninety-seven thousand, nine hundred eighty-four".