985790 has 16 divisors (see below), whose sum is σ = 1911168. Its totient is φ = 363936.

The previous prime is 985783. The next prime is 985799. The reversal of 985790 is 97589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985799) 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, 3662 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (119448).

2⁹⁸⁵⁷⁹⁰ is an apocalyptic number.

985790 is a deficient number, since it is larger than the sum of its proper divisors (925378).

985790 is a wasteful number, since it uses less digits than its factorization.

985790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 985790 is about 992.8695785449. The cubic root of 985790 is about 99.5240718507.

The spelling of 985790 in words is "nine hundred eighty-five thousand, seven hundred ninety".