997244 has 6 divisors (see below), whose sum is σ = 1745184. Its totient is φ = 498620.

The previous prime is 997219. The next prime is 997247. The reversal of 997244 is 442799.

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.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124652 + ... + 124659.

It is an arithmetic number, because the mean of its divisors is an integer number (290864).

2⁹⁹⁷²⁴⁴ is an apocalyptic number.

It is an amenable number.

997244 is a deficient number, since it is larger than the sum of its proper divisors (747940).

997244 is a wasteful number, since it uses less digits than its factorization.

997244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249315 (or 249313 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 997244 is about 998.6210492474. The cubic root of 997244 is about 99.9080488090.

The spelling of 997244 in words is "nine hundred ninety-seven thousand, two hundred forty-four".