190000085 has 32 divisors (see below), whose sum is σ = 262324224. Its totient is φ = 130824000.

The previous prime is 190000067. The next prime is 190000091. The reversal of 190000085 is 580000091.

It is not a de Polignac number, because 190000085 - 2⁶ = 190000021 is a prime.

It is a super-2 number, since 2×190000085² = 72200064600014450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190000085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78950 + ... + 81320.

It is an arithmetic number, because the mean of its divisors is an integer number (8197632).

Almost surely, 2^190000085 is an apocalyptic number.

It is an amenable number.

190000085 is a deficient number, since it is larger than the sum of its proper divisors (72324139).

190000085 is a wasteful number, since it uses less digits than its factorization.

190000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 190000085 is about 13784.0518353639. The cubic root of 190000085 is about 574.8897936236.

The spelling of 190000085 in words is "one hundred ninety million, eighty-five", and thus it is an aban number.