873659 has 2 divisors, whose sum is σ = 873660. Its totient is φ = 873658.

The previous prime is 873643. The next prime is 873667. The reversal of 873659 is 956378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 873659 - 2⁴ = 873643 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873659.

It is not a weakly prime, because it can be changed into another prime (873619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436829 + 436830.

It is an arithmetic number, because the mean of its divisors is an integer number (436830).

2⁸⁷³⁶⁵⁹ is an apocalyptic number.

873659 is a deficient number, since it is larger than the sum of its proper divisors (1).

873659 is an equidigital number, since it uses as much as digits as its factorization.

873659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 873659 is about 934.6972771973. The cubic root of 873659 is about 95.5976724281.

The spelling of 873659 in words is "eight hundred seventy-three thousand, six hundred fifty-nine".