872242 has 8 divisors (see below), whose sum is σ = 1495296. Its totient is φ = 373812.

The previous prime is 872237. The next prime is 872243. The reversal of 872242 is 242278.

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

It is a super-2 number, since 2×872242² = 1521612213128, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 31138 + ... + 31165.

It is an arithmetic number, because the mean of its divisors is an integer number (186912).

2⁸⁷²²⁴² is an apocalyptic number.

872242 is a deficient number, since it is larger than the sum of its proper divisors (623054).

872242 is a wasteful number, since it uses less digits than its factorization.

872242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62312.

The product of its digits is 1792, while the sum is 25.

The square root of 872242 is about 933.9389701688. The cubic root of 872242 is about 95.5459607176.

The spelling of 872242 in words is "eight hundred seventy-two thousand, two hundred forty-two".