85890194 has 36 divisors (see below), whose sum is σ = 143856666. Its totient is φ = 38435904.

The previous prime is 85890193. The next prime is 85890223. The reversal of 85890194 is 49109858.

It can be written as a sum of positive squares in 3 ways, for example, as 46036225 + 39853969 = 6785^2 + 6313^2 .

It is not an unprimeable number, because it can be changed into a prime (85890193) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1176542 + ... + 1176614.

Almost surely, 2^85890194 is an apocalyptic number.

85890194 is a deficient number, since it is larger than the sum of its proper divisors (57966472).

85890194 is a wasteful number, since it uses less digits than its factorization.

85890194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 85890194 is about 9267.6962617470. The cubic root of 85890194 is about 441.2125541282.

The spelling of 85890194 in words is "eighty-five million, eight hundred ninety thousand, one hundred ninety-four".