889079 has 4 divisors (see below), whose sum is σ = 891120. Its totient is φ = 887040.

The previous prime is 889069. The next prime is 889081. The reversal of 889079 is 970988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889079 is a prime.

It is a super-2 number, since 2×889079² = 1580922936482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889039) 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, 74 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (222780).

2⁸⁸⁹⁰⁷⁹ is an apocalyptic number.

889079 is a deficient number, since it is larger than the sum of its proper divisors (2041).

889079 is a wasteful number, since it uses less digits than its factorization.

889079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 889079 is about 942.9098578337. The cubic root of 889079 is about 96.1568255569.

The spelling of 889079 in words is "eight hundred eighty-nine thousand, seventy-nine".