8243930 has 8 divisors (see below), whose sum is σ = 14839092. Its totient is φ = 3297568.

The previous prime is 8243927. The next prime is 8243947. The reversal of 8243930 is 393428.

It can be written as a sum of positive squares in 2 ways, for example, as 8231161 + 12769 = 2869^2 + 113^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8243893 and 8243902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412187 + ... + 412206.

Almost surely, 2^8243930 is an apocalyptic number.

8243930 is a deficient number, since it is larger than the sum of its proper divisors (6595162).

8243930 is a wasteful number, since it uses less digits than its factorization.

8243930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824400.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 8243930 is about 2871.2244774660. The cubic root of 8243930 is about 202.0124326563.

The spelling of 8243930 in words is "eight million, two hundred forty-three thousand, nine hundred thirty".