85098990 has 16 divisors (see below), whose sum is σ = 204237648. Its totient is φ = 22693056.

The previous prime is 85098983. The next prime is 85099009. The reversal of 85098990 is 9989058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418287 + ... + 1418346.

It is an arithmetic number, because the mean of its divisors is an integer number (12764853).

Almost surely, 2^85098990 is an apocalyptic number.

85098990 is an abundant number, since it is smaller than the sum of its proper divisors (119138658).

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

85098990 is a wasteful number, since it uses less digits than its factorization.

85098990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836643.

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 85098990 is about 9224.9113816882. The cubic root of 85098990 is about 439.8535842037.

The spelling of 85098990 in words is "eighty-five million, ninety-eight thousand, nine hundred ninety".