997292 has 12 divisors (see below), whose sum is σ = 1753416. Its totient is φ = 496320.

The previous prime is 997279. The next prime is 997307. The reversal of 997292 is 292799.

It is a super-4 number, since 4×997292⁴ (a number of 25 digits) contains 4444 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 997292.

It is an unprimeable number.

997292 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (146118).

2⁹⁹⁷²⁹² is an apocalyptic number.

It is an amenable number.

997292 is a deficient number, since it is larger than the sum of its proper divisors (756124).

997292 is a wasteful number, since it uses less digits than its factorization.

997292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 997292 is about 998.6450820987. The cubic root of 997292 is about 99.9096517298.

The spelling of 997292 in words is "nine hundred ninety-seven thousand, two hundred ninety-two".