890630 has 48 divisors (see below), whose sum is σ = 1897344. Its totient is φ = 299520.

The previous prime is 890609. The next prime is 890653. The reversal of 890630 is 36098.

It is a happy number.

890630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 890630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28715 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (39528).

2⁸⁹⁰⁶³⁰ is an apocalyptic number.

890630 is an abundant number, since it is smaller than the sum of its proper divisors (1006714).

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

890630 is a wasteful number, since it uses less digits than its factorization.

890630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 890630 is about 943.7319534698. The cubic root of 890630 is about 96.2127083284.

The spelling of 890630 in words is "eight hundred ninety thousand, six hundred thirty".