890553 has 16 divisors (see below), whose sum is σ = 1247616. Its totient is φ = 564480.

The previous prime is 890551. The next prime is 890563. The reversal of 890553 is 355098.

It is not a de Polignac number, because 890553 - 2¹ = 890551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890553.

It is not an unprimeable number, because it can be changed into a prime (890551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7825 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (77976).

2⁸⁹⁰⁵⁵³ is an apocalyptic number.

It is an amenable number.

890553 is a deficient number, since it is larger than the sum of its proper divisors (357063).

890553 is a wasteful number, since it uses less digits than its factorization.

890553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 890553 is about 943.6911571060. The cubic root of 890553 is about 96.2099355376.

The spelling of 890553 in words is "eight hundred ninety thousand, five hundred fifty-three".