873597 has 4 divisors (see below), whose sum is σ = 1164800. Its totient is φ = 582396.

The previous prime is 873571. The next prime is 873617. The reversal of 873597 is 795378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 873597 - 2⁷ = 873469 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145597 + ... + 145602.

It is an arithmetic number, because the mean of its divisors is an integer number (291200).

2⁸⁷³⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

873597 is a deficient number, since it is larger than the sum of its proper divisors (291203).

873597 is a wasteful number, since it uses less digits than its factorization.

873597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291202.

The product of its digits is 52920, while the sum is 39.

The square root of 873597 is about 934.6641107906. The cubic root of 873597 is about 95.5954109828.

The spelling of 873597 in words is "eight hundred seventy-three thousand, five hundred ninety-seven".