997448 has 16 divisors (see below), whose sum is σ = 1916460. Its totient is φ = 486400.

The previous prime is 997439. The next prime is 997453. The reversal of 997448 is 844799.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 1444 = 998^2 + 38^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

997448 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 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 1848.

2⁹⁹⁷⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

997448 is a deficient number, since it is larger than the sum of its proper divisors (919012).

997448 is a wasteful number, since it uses less digits than its factorization.

997448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088 (or 3084 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 997448 is about 998.7231848716. The cubic root of 997448 is about 99.9148608672.

The spelling of 997448 in words is "nine hundred ninety-seven thousand, four hundred forty-eight".