997675396 has 27 divisors (see below), whose sum is σ = 1856673679. Its totient is φ = 468988928.

The previous prime is 997675391. The next prime is 997675403. The reversal of 997675396 is 693576799.

The square root of 997675396 is 31586.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 117722500 + 879952896 = 10850^2 + 29664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997675391) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1073460 + ... + 1074388.

Almost surely, 2^997675396 is an apocalyptic number.

997675396 is the 31586-th square number.

It is an amenable number.

997675396 is a deficient number, since it is larger than the sum of its proper divisors (858998283).

997675396 is an equidigital number, since it uses as much as digits as its factorization.

997675396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 948 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 61.

The cubic root of 997675396 is about 999.2245308030.

The spelling of 997675396 in words is "nine hundred ninety-seven million, six hundred seventy-five thousand, three hundred ninety-six".