890930 has 24 divisors (see below), whose sum is σ = 1674756. Its totient is φ = 341120.

The previous prime is 890927. The next prime is 890933. The reversal of 890930 is 39098.

It is an interprime number because it is at equal distance from previous prime (890927) and next prime (890933).

It can be written as a sum of positive squares in 6 ways, for example, as 61009 + 829921 = 247^2 + 911^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 890893 and 890902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 890930.

It is not an unprimeable number, because it can be changed into a prime (890933) 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, 16784 + ... + 16836.

2⁸⁹⁰⁹³⁰ is an apocalyptic number.

890930 is a deficient number, since it is larger than the sum of its proper divisors (783826).

890930 is a wasteful number, since it uses less digits than its factorization.

890930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 890930 is about 943.8908835241. The cubic root of 890930 is about 96.2235098855.

The spelling of 890930 in words is "eight hundred ninety thousand, nine hundred thirty".