889613 has 4 divisors (see below), whose sum is σ = 893760. Its totient is φ = 885468.

The previous prime is 889597. The next prime is 889631. The reversal of 889613 is 316988.

889613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 889613 - 2⁴ = 889597 is a prime.

It is a super-2 number, since 2×889613² = 1582822579538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889673) 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, 1733 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2⁸⁸⁹⁶¹³ is an apocalyptic number.

It is an amenable number.

889613 is a deficient number, since it is larger than the sum of its proper divisors (4147).

889613 is a wasteful number, since it uses less digits than its factorization.

889613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its digits is 10368, while the sum is 35.

The square root of 889613 is about 943.1929813140. The cubic root of 889613 is about 96.1760729909.

The spelling of 889613 in words is "eight hundred eighty-nine thousand, six hundred thirteen".