85090284 has 48 divisors (see below), whose sum is σ = 232220800. Its totient is φ = 26869968.

The previous prime is 85090283. The next prime is 85090307. The reversal of 85090284 is 48209058.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (85090283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18682 + ... + 22785.

Almost surely, 2^85090284 is an apocalyptic number.

It is an amenable number.

85090284 is an abundant number, since it is smaller than the sum of its proper divisors (147130516).

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

85090284 is a wasteful number, since it uses less digits than its factorization.

85090284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41499 (or 41491 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 85090284 is about 9224.4394951672. The cubic root of 85090284 is about 439.8385840418.

The spelling of 85090284 in words is "eighty-five million, ninety thousand, two hundred eighty-four".