997246 has 12 divisors (see below), whose sum is σ = 1542672. Its totient is φ = 483276.

The previous prime is 997219. The next prime is 997247. The reversal of 997246 is 642799.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997247) by changing a digit.

997246 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 5 ways as a sum of consecutive naturals, for example, 9631 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (128556).

997246 is a Friedman number, since it can be written as 94*(96+7)^2, using all its digits and the basic arithmetic operations.

2⁹⁹⁷²⁴⁶ is an apocalyptic number.

997246 is a deficient number, since it is larger than the sum of its proper divisors (545426).

997246 is a wasteful number, since it uses less digits than its factorization.

997246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 152 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 997246 is about 998.6220506278. The cubic root of 997246 is about 99.9081155984.

The spelling of 997246 in words is "nine hundred ninety-seven thousand, two hundred forty-six".