890923 has 12 divisors (see below), whose sum is σ = 1010800. Its totient is φ = 784080.

The previous prime is 890893. The next prime is 890927. The reversal of 890923 is 329098.

It is a happy number.

890923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-890923 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4378 + ... + 4576.

2⁸⁹⁰⁹²³ is an apocalyptic number.

890923 is a deficient number, since it is larger than the sum of its proper divisors (119877).

890923 is a wasteful number, since it uses less digits than its factorization.

890923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 890923 is about 943.8871754611. The cubic root of 890923 is about 96.2232578768.

The spelling of 890923 in words is "eight hundred ninety thousand, nine hundred twenty-three".