872615 has 8 divisors (see below), whose sum is σ = 1053600. Its totient is φ = 693792.

The previous prime is 872611. The next prime is 872621. The reversal of 872615 is 516278.

872615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 872615 - 2² = 872611 is a prime.

It is a super-2 number, since 2×872615² = 1522913876450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872611) 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, 557 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (131700).

2⁸⁷²⁶¹⁵ is an apocalyptic number.

872615 is a deficient number, since it is larger than the sum of its proper divisors (180985).

872615 is a wasteful number, since it uses less digits than its factorization.

872615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 3360, while the sum is 29.

The square root of 872615 is about 934.1386406739. The cubic root of 872615 is about 95.5595783315.

The spelling of 872615 in words is "eight hundred seventy-two thousand, six hundred fifteen".