85356590 has 32 divisors (see below), whose sum is σ = 168003936. Its totient is φ = 30965760.

The previous prime is 85356589. The next prime is 85356613. The reversal of 85356590 is 9565358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73454 + ... + 74606.

It is an arithmetic number, because the mean of its divisors is an integer number (5250123).

Almost surely, 2^85356590 is an apocalyptic number.

85356590 is a deficient number, since it is larger than the sum of its proper divisors (82647346).

85356590 is a wasteful number, since it uses less digits than its factorization.

85356590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 85356590 is about 9238.8630252862. The cubic root of 85356590 is about 440.2969586267.

The spelling of 85356590 in words is "eighty-five million, three hundred fifty-six thousand, five hundred ninety".