997003056 has 40 divisors (see below), whose sum is σ = 2943533824. Its totient is φ = 284857920.

The previous prime is 997003043. The next prime is 997003099. The reversal of 997003056 is 650300799.

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, 1483300 + ... + 1483971.

Almost surely, 2^997003056 is an apocalyptic number.

It is an amenable number.

997003056 is an abundant number, since it is smaller than the sum of its proper divisors (1946530768).

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

997003056 is a wasteful number, since it uses less digits than its factorization.

997003056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967289 (or 2967283 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 997003056 is about 31575.3551999023. The cubic root of 997003056 is about 999.0000190381. Note that the first 4 decimals are identical.

The spelling of 997003056 in words is "nine hundred ninety-seven million, three thousand, fifty-six".