885090 has 32 divisors (see below), whose sum is σ = 2149056. Its totient is φ = 233280.

The previous prime is 885083. The next prime is 885091. The reversal of 885090 is 90588.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 885090.

It is not an unprimeable number, because it can be changed into a prime (885091) by changing a digit.

885090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (67158).

2⁸⁸⁵⁰⁹⁰ is an apocalyptic number.

885090 is an abundant number, since it is smaller than the sum of its proper divisors (1263966).

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

885090 is a wasteful number, since it uses less digits than its factorization.

885090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 885090 is about 940.7922193556. The cubic root of 885090 is about 96.0128021121.

The spelling of 885090 in words is "eight hundred eighty-five thousand, ninety".