997548 has 24 divisors (see below), whose sum is σ = 2354352. Its totient is φ = 328704.

The previous prime is 997547. The next prime is 997553. The reversal of 997548 is 845799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (98098).

2⁹⁹⁷⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

997548 is an abundant number, since it is smaller than the sum of its proper divisors (1356804).

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

997548 is a wasteful number, since it uses less digits than its factorization.

997548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 997548 is about 998.7732475392. The cubic root of 997548 is about 99.9181997721.

The spelling of 997548 in words is "nine hundred ninety-seven thousand, five hundred forty-eight".