8242931 has 16 divisors (see below), whose sum is σ = 9020160. Its totient is φ = 7512960.

The previous prime is 8242919. The next prime is 8242933. The reversal of 8242931 is 1392428.

It is a cyclic number.

It is not a de Polignac number, because 8242931 - 2⁶ = 8242867 is a prime.

It is a super-2 number, since 2×8242931² = 135891822941522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 8242894 and 8242903.

It is not an unprimeable number, because it can be changed into a prime (8242933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47561 + ... + 47733.

It is an arithmetic number, because the mean of its divisors is an integer number (563760).

Almost surely, 2^8242931 is an apocalyptic number.

8242931 is a deficient number, since it is larger than the sum of its proper divisors (777229).

8242931 is a wasteful number, since it uses less digits than its factorization.

8242931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 3456, while the sum is 29.

The square root of 8242931 is about 2871.0505046063. The cubic root of 8242931 is about 202.0042723666.

The spelling of 8242931 in words is "eight million, two hundred forty-two thousand, nine hundred thirty-one".