889085 has 8 divisors (see below), whose sum is σ = 1093176. Its totient is φ = 693760.

The previous prime is 889081. The next prime is 889087. The reversal of 889085 is 580988.

It can be written as a sum of positive squares in 4 ways, for example, as 77284 + 811801 = 278^2 + 901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 889085 - 2² = 889081 is a prime.

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 (889081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (136647).

2⁸⁸⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

889085 is a deficient number, since it is larger than the sum of its proper divisors (204091).

889085 is a wasteful number, since it uses less digits than its factorization.

889085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 889085 is about 942.9130394686. The cubic root of 889085 is about 96.1570418630.

It can be divided in two parts, 88 and 9085, that multiplied together give a triangular number (799480 = T₁₂₆₄).

The spelling of 889085 in words is "eight hundred eighty-nine thousand, eighty-five".