872241 has 8 divisors (see below), whose sum is σ = 1170624. Its totient is φ = 577680.

The previous prime is 872237. The next prime is 872243. The reversal of 872241 is 142278.

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

It is not a de Polignac number, because 872241 - 2² = 872237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (146328).

2⁸⁷²²⁴¹ is an apocalyptic number.

It is an amenable number.

872241 is a deficient number, since it is larger than the sum of its proper divisors (298383).

872241 is a wasteful number, since it uses less digits than its factorization.

872241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its digits is 896, while the sum is 24.

The square root of 872241 is about 933.9384348018. The cubic root of 872241 is about 95.5459242040.

The spelling of 872241 in words is "eight hundred seventy-two thousand, two hundred forty-one".