890620 has 12 divisors (see below), whose sum is σ = 1870344. Its totient is φ = 356240.

The previous prime is 890609. The next prime is 890653. The reversal of 890620 is 26098.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22246 + ... + 22285.

It is an arithmetic number, because the mean of its divisors is an integer number (155862).

2⁸⁹⁰⁶²⁰ is an apocalyptic number.

It is an amenable number.

890620 is an abundant number, since it is smaller than the sum of its proper divisors (979724).

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

890620 is a wasteful number, since it uses less digits than its factorization.

890620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44540 (or 44538 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 890620 is about 943.7266553404. The cubic root of 890620 is about 96.2123482347.

The spelling of 890620 in words is "eight hundred ninety thousand, six hundred twenty".