297980 has 24 divisors (see below), whose sum is σ = 641088. Its totient is φ = 116288.

The previous prime is 297971. The next prime is 297989. The reversal of 297980 is 89792.

It is an interprime number because it is at equal distance from previous prime (297971) and next prime (297989).

It is a self number, because there is not a number n which added to its sum of digits gives 297980.

It is a congruent number.

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

297980 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 782 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2²⁹⁷⁹⁸⁰ is an apocalyptic number.

297980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297980 is an abundant number, since it is smaller than the sum of its proper divisors (343108).

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

297980 is a wasteful number, since it uses less digits than its factorization.

297980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 297980 is about 545.8754436682. The cubic root of 297980 is about 66.7927060056.

The spelling of 297980 in words is "two hundred ninety-seven thousand, nine hundred eighty".