985158 has 24 divisors (see below), whose sum is σ = 2152800. Its totient is φ = 325584.

The previous prime is 985151. The next prime is 985177. The reversal of 985158 is 851589.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985158.

It is not an unprimeable number, because it can be changed into a prime (985151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4003 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (89700).

2⁹⁸⁵¹⁵⁸ is an apocalyptic number.

985158 is an abundant number, since it is smaller than the sum of its proper divisors (1167642).

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

985158 is a wasteful number, since it uses less digits than its factorization.

985158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 473 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 985158 is about 992.5512581222. The cubic root of 985158 is about 99.5027986722.

The spelling of 985158 in words is "nine hundred eighty-five thousand, one hundred fifty-eight".