997444496 has 20 divisors (see below), whose sum is σ = 2016573312. Its totient is φ = 477038496.

The previous prime is 997444493. The next prime is 997444517. The reversal of 997444496 is 694444799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (997444493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354856 + ... + 1355591.

Almost surely, 2^997444496 is an apocalyptic number.

It is an amenable number.

997444496 is an abundant number, since it is smaller than the sum of its proper divisors (1019128816).

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

997444496 is a wasteful number, since it uses less digits than its factorization.

997444496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710478 (or 2710472 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The square root of 997444496 is about 31582.3446881323. The cubic root of 997444496 is about 999.1474386791.

The spelling of 997444496 in words is "nine hundred ninety-seven million, four hundred forty-four thousand, four hundred ninety-six".