872603 has 4 divisors (see below), whose sum is σ = 893928. Its totient is φ = 851280.

The previous prime is 872587. The next prime is 872609. The reversal of 872603 is 306278.

872603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 872603 - 2⁴ = 872587 is a prime.

It is a super-2 number, since 2×872603² = 1522871991218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872609) 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, 10601 + ... + 10682.

It is an arithmetic number, because the mean of its divisors is an integer number (223482).

2⁸⁷²⁶⁰³ is an apocalyptic number.

872603 is a deficient number, since it is larger than the sum of its proper divisors (21325).

872603 is a wasteful number, since it uses less digits than its factorization.

872603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21324.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 872603 is about 934.1322176223. The cubic root of 872603 is about 95.5591402918.

The spelling of 872603 in words is "eight hundred seventy-two thousand, six hundred three".