890159 has 2 divisors, whose sum is σ = 890160. Its totient is φ = 890158.

The previous prime is 890147. The next prime is 890161. The reversal of 890159 is 951098.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890159 is a prime.

Together with 890161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445079 + 445080.

It is an arithmetic number, because the mean of its divisors is an integer number (445080).

2⁸⁹⁰¹⁵⁹ is an apocalyptic number.

890159 is a deficient number, since it is larger than the sum of its proper divisors (1).

890159 is an equidigital number, since it uses as much as digits as its factorization.

890159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 890159 is about 943.4823792737. The cubic root of 890159 is about 96.1957449892.

The spelling of 890159 in words is "eight hundred ninety thousand, one hundred fifty-nine".