85302590 has 32 divisors (see below), whose sum is σ = 162324000. Its totient is φ = 32185728.

The previous prime is 85302589. The next prime is 85302593. The reversal of 85302590 is 9520358.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85302593) 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, 50276 + ... + 51944.

It is an arithmetic number, because the mean of its divisors is an integer number (5072625).

Almost surely, 2^85302590 is an apocalyptic number.

85302590 is a deficient number, since it is larger than the sum of its proper divisors (77021410).

85302590 is a wasteful number, since it uses less digits than its factorization.

85302590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 85302590 is about 9235.9401254014. The cubic root of 85302590 is about 440.2040892051.

The spelling of 85302590 in words is "eighty-five million, three hundred two thousand, five hundred ninety".