997000590 has 16 divisors (see below), whose sum is σ = 2392801488. Its totient is φ = 265866816.

The previous prime is 997000583. The next prime is 997000591. The reversal of 997000590 is 95000799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997000591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16616647 + ... + 16616706.

It is an arithmetic number, because the mean of its divisors is an integer number (149550093).

Almost surely, 2^997000590 is an apocalyptic number.

997000590 is an abundant number, since it is smaller than the sum of its proper divisors (1395800898).

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

997000590 is a wasteful number, since it uses less digits than its factorization.

997000590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33233363.

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 997000590 is about 31575.3161504362. The cubic root of 997000590 is about 998.9991953909. Note that the first 3 decimals are identical.

The spelling of 997000590 in words is "nine hundred ninety-seven million, five hundred ninety", and thus it is an aban number.