85323090 has 16 divisors (see below), whose sum is σ = 204775488. Its totient is φ = 22752816.

The previous prime is 85323089. The next prime is 85323107. The reversal of 85323090 is 9032358.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2844103 = 85323090 / (8 + 5 + 3 + 2 + 3 + 0 + 9 + 0).

It is a Curzon 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, 1422022 + ... + 1422081.

It is an arithmetic number, because the mean of its divisors is an integer number (12798468).

Almost surely, 2^85323090 is an apocalyptic number.

85323090 is an abundant number, since it is smaller than the sum of its proper divisors (119452398).

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

85323090 is a wasteful number, since it uses less digits than its factorization.

85323090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844113.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 85323090 is about 9237.0498537141. The cubic root of 85323090 is about 440.2393498032.

The spelling of 85323090 in words is "eighty-five million, three hundred twenty-three thousand, ninety".