985992 has 32 divisors (see below), whose sum is σ = 2817600. Its totient is φ = 281664.

The previous prime is 985991. The next prime is 985993. The reversal of 985992 is 299589.

It is an interprime number because it is at equal distance from previous prime (985991) and next prime (985993).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985991) 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, 2767 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (88050).

2⁹⁸⁵⁹⁹² is an apocalyptic number.

It is an amenable number.

985992 is an abundant number, since it is smaller than the sum of its proper divisors (1831608).

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

985992 is a wasteful number, since it uses less digits than its factorization.

985992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885 (or 5881 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 985992 is about 992.9712986789. The cubic root of 985992 is about 99.5308692719.

The spelling of 985992 in words is "nine hundred eighty-five thousand, nine hundred ninety-two".