997446 has 16 divisors (see below), whose sum is σ = 2049264. Its totient is φ = 323424.

The previous prime is 997439. The next prime is 997453. The reversal of 997446 is 644799.

997446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (997439) and next prime (997453).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (128079).

2⁹⁹⁷⁴⁴⁶ is an apocalyptic number.

997446 is an abundant number, since it is smaller than the sum of its proper divisors (1051818).

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

997446 is a wasteful number, since it uses less digits than its factorization.

997446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its digits is 54432, while the sum is 39.

The square root of 997446 is about 998.7221835926. The cubic root of 997446 is about 99.9147940868.

The spelling of 997446 in words is "nine hundred ninety-seven thousand, four hundred forty-six".