8243042 has 8 divisors (see below), whose sum is σ = 12379500. Its totient is φ = 4116544.

The previous prime is 8243041. The next prime is 8243063. The reversal of 8243042 is 2403428.

It can be written as a sum of positive squares in 2 ways, for example, as 8231161 + 11881 = 2869^2 + 109^2 .

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 = 8242999 and 8243017.

It is not an unprimeable number, because it can be changed into a prime (8243041) 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, 134 + ... + 4062.

Almost surely, 2^8243042 is an apocalyptic number.

8243042 is a deficient number, since it is larger than the sum of its proper divisors (4136458).

8243042 is a wasteful number, since it uses less digits than its factorization.

8243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8243042 is about 2871.0698354446. The cubic root of 8243042 is about 202.0051790980.

The spelling of 8243042 in words is "eight million, two hundred forty-three thousand, forty-two".