872249 has 8 divisors (see below), whose sum is σ = 1017600. Its totient is φ = 747348.

The previous prime is 872243. The next prime is 872251. The reversal of 872249 is 942278.

It is not a de Polignac number, because 872249 - 2⁸ = 871993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (872243) 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, 929 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (127200).

2⁸⁷²²⁴⁹ is an apocalyptic number.

It is an amenable number.

872249 is a deficient number, since it is larger than the sum of its proper divisors (145351).

872249 is an equidigital number, since it uses as much as digits as its factorization.

872249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564 (or 2550 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 872249 is about 933.9427177295. The cubic root of 872249 is about 95.5462163118.

The spelling of 872249 in words is "eight hundred seventy-two thousand, two hundred forty-nine".