889579 has 2 divisors, whose sum is σ = 889580. Its totient is φ = 889578.

The previous prime is 889519. The next prime is 889589. The reversal of 889579 is 975988.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 889579 - 2¹⁵ = 856811 is a prime.

It is not a weakly prime, because it can be changed into another prime (889519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444789 + 444790.

It is an arithmetic number, because the mean of its divisors is an integer number (444790).

2⁸⁸⁹⁵⁷⁹ is an apocalyptic number.

889579 is a deficient number, since it is larger than the sum of its proper divisors (1).

889579 is an equidigital number, since it uses as much as digits as its factorization.

889579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 46.

The square root of 889579 is about 943.1749572587. The cubic root of 889579 is about 96.1748477285.

It can be divided in two parts, 8895 and 79, that multiplied together give a triangular number (702705 = T₁₁₈₅).

The spelling of 889579 in words is "eight hundred eighty-nine thousand, five hundred seventy-nine".