890860 has 12 divisors (see below), whose sum is σ = 1870848. Its totient is φ = 356336.

The previous prime is 890843. The next prime is 890861. The reversal of 890860 is 68098.

It is not an unprimeable number, because it can be changed into a prime (890861) by changing a digit.

890860 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22252 + ... + 22291.

It is an arithmetic number, because the mean of its divisors is an integer number (155904).

2⁸⁹⁰⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

890860 is an abundant number, since it is smaller than the sum of its proper divisors (979988).

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

890860 is a wasteful number, since it uses less digits than its factorization.

890860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44552 (or 44550 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 890860 is about 943.8538022385. The cubic root of 890860 is about 96.2209897391.

The spelling of 890860 in words is "eight hundred ninety thousand, eight hundred sixty".