890056 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 438480.

The previous prime is 890053. The next prime is 890063. The reversal of 890056 is 650098.

It is not an unprimeable number, because it can be changed into a prime (890053) 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, 216 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁸⁹⁰⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

890056 is a deficient number, since it is larger than the sum of its proper divisors (803384).

890056 is a wasteful number, since it uses less digits than its factorization.

890056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 890056 is about 943.4277926794. The cubic root of 890056 is about 96.1920345870.

The spelling of 890056 in words is "eight hundred ninety thousand, fifty-six".