997356 has 24 divisors (see below), whose sum is σ = 2464560. Its totient is φ = 312832.

The previous prime is 997343. The next prime is 997357. The reversal of 997356 is 653799.

It is not an unprimeable number, because it can be changed into a prime (997357) by changing a digit.

997356 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 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (102690).

2⁹⁹⁷³⁵⁶ is an apocalyptic number.

It is an amenable number.

997356 is an abundant number, since it is smaller than the sum of its proper divisors (1467204).

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

997356 is a wasteful number, since it uses less digits than its factorization.

997356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913 (or 4911 counting only the distinct ones).

The product of its digits is 51030, while the sum is 39.

The square root of 997356 is about 998.6771250009. The cubic root of 997356 is about 99.9117888775.

The spelling of 997356 in words is "nine hundred ninety-seven thousand, three hundred fifty-six".