890597 has 2 divisors, whose sum is σ = 890598. Its totient is φ = 890596.

The previous prime is 890563. The next prime is 890609. The reversal of 890597 is 795098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 27556 = 929^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 890597 - 2¹⁴ = 874213 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445298 + 445299.

It is an arithmetic number, because the mean of its divisors is an integer number (445299).

2⁸⁹⁰⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

890597 is a deficient number, since it is larger than the sum of its proper divisors (1).

890597 is an equidigital number, since it uses as much as digits as its factorization.

890597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 890597 is about 943.7144695298. The cubic root of 890597 is about 96.2115200091.

The spelling of 890597 in words is "eight hundred ninety thousand, five hundred ninety-seven".