890233 has 4 divisors (see below), whose sum is σ = 911988. Its totient is φ = 868480.

The previous prime is 890231. The next prime is 890237. The reversal of 890233 is 332098.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 769129 = 348^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 890233 - 2¹ = 890231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 890198 and 890207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890231) 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, 10816 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (227997).

2⁸⁹⁰²³³ is an apocalyptic number.

It is an amenable number.

890233 is a deficient number, since it is larger than the sum of its proper divisors (21755).

890233 is a wasteful number, since it uses less digits than its factorization.

890233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21754.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 890233 is about 943.5215948774. The cubic root of 890233 is about 96.1984105385.

The spelling of 890233 in words is "eight hundred ninety thousand, two hundred thirty-three".