997274286 has 48 divisors (see below), whose sum is σ = 2207761920. Its totient is φ = 325247760.

The previous prime is 997274279. The next prime is 997274287. The reversal of 997274286 is 682472799.

997274286 is a `hidden beast` number, since 9 + 97 + 274 + 286 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997274287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234721 + ... + 238931.

It is an arithmetic number, because the mean of its divisors is an integer number (45995040).

Almost surely, 2^997274286 is an apocalyptic number.

997274286 is an abundant number, since it is smaller than the sum of its proper divisors (1210487634).

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

997274286 is a wasteful number, since it uses less digits than its factorization.

997274286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501 (or 4498 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 997274286 is about 31579.6498713966. The cubic root of 997274286 is about 999.0906019125.

The spelling of 997274286 in words is "nine hundred ninety-seven million, two hundred seventy-four thousand, two hundred eighty-six".