8242831 has 4 divisors (see below), whose sum is σ = 8382600. Its totient is φ = 8103064.

The previous prime is 8242811. The next prime is 8242847. The reversal of 8242831 is 1382428.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8242831 - 2¹⁵ = 8210063 is a prime.

It is a super-2 number, since 2×8242831² = 135888525789122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8242831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69796 + ... + 69913.

It is an arithmetic number, because the mean of its divisors is an integer number (2095650).

Almost surely, 2^8242831 is an apocalyptic number.

8242831 is a deficient number, since it is larger than the sum of its proper divisors (139769).

8242831 is a wasteful number, since it uses less digits than its factorization.

8242831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139768.

The product of its digits is 3072, while the sum is 28.

The square root of 8242831 is about 2871.0330893252. The cubic root of 8242831 is about 202.0034554845.

It can be divided in two parts, 824 and 2831, that added together give a triangular number (3655 = T₈₅).

The spelling of 8242831 in words is "eight million, two hundred forty-two thousand, eight hundred thirty-one".