890899 has 4 divisors (see below), whose sum is σ = 904264. Its totient is φ = 877536.

The previous prime is 890893. The next prime is 890927. The reversal of 890899 is 998098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 890899 - 2⁵ = 890867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6582 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (226066).

2⁸⁹⁰⁸⁹⁹ is an apocalyptic number.

890899 is a deficient number, since it is larger than the sum of its proper divisors (13365).

890899 is a wasteful number, since it uses less digits than its factorization.

890899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13364.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 890899 is about 943.8744619916. The cubic root of 890899 is about 96.2223938369. Note that the first 3 decimals are identical.

It can be divided in two parts, 89089 and 9, that added together give a palindrome (89098).

The spelling of 890899 in words is "eight hundred ninety thousand, eight hundred ninety-nine".