885289 has 2 divisors, whose sum is σ = 885290. Its totient is φ = 885288.

The previous prime is 885263. The next prime is 885301. The reversal of 885289 is 982588.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 110889 = 880^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 885289 - 2⁵ = 885257 is a prime.

It is a super-2 number, since 2×885289² = 1567473227042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (885239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442644 + 442645.

It is an arithmetic number, because the mean of its divisors is an integer number (442645).

2⁸⁸⁵²⁸⁹ is an apocalyptic number.

It is an amenable number.

885289 is a deficient number, since it is larger than the sum of its proper divisors (1).

885289 is an equidigital number, since it uses as much as digits as its factorization.

885289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 40.

The square root of 885289 is about 940.8979753406. The cubic root of 885289 is about 96.0199972809.

The spelling of 885289 in words is "eight hundred eighty-five thousand, two hundred eighty-nine".