85090190 has 16 divisors (see below), whose sum is σ = 153438192. Its totient is φ = 33974784.

The previous prime is 85090183. The next prime is 85090193. The reversal of 85090190 is 9109058.

It is a super-2 number, since 2×85090190² = 14480680868472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85090193) 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, 1604 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (9589887).

Almost surely, 2^85090190 is an apocalyptic number.

85090190 is a deficient number, since it is larger than the sum of its proper divisors (68348002).

85090190 is a wasteful number, since it uses less digits than its factorization.

85090190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 85090190 is about 9224.4344000052. The cubic root of 85090190 is about 439.8384220772.

The spelling of 85090190 in words is "eighty-five million, ninety thousand, one hundred ninety".