872169 has 8 divisors (see below), whose sum is σ = 1190112. Its totient is φ = 567840.

The previous prime is 872161. The next prime is 872173. The reversal of 872169 is 961278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 872169 - 2³ = 872161 is a prime.

It is a super-2 number, since 2×872169² = 1521357529122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (872161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (148764).

2⁸⁷²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

872169 is a deficient number, since it is larger than the sum of its proper divisors (317943).

872169 is a wasteful number, since it uses less digits than its factorization.

872169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807.

The product of its digits is 6048, while the sum is 33.

The square root of 872169 is about 933.8998875683. The cubic root of 872169 is about 95.5432951539.

The spelling of 872169 in words is "eight hundred seventy-two thousand, one hundred sixty-nine".