8243842 has 8 divisors (see below), whose sum is σ = 12387600. Its totient is φ = 4114644.

The previous prime is 8243839. The next prime is 8243843. The reversal of 8243842 is 2483428.

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

It is not an unprimeable number, because it can be changed into a prime (8243843) 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, 2092 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (1548450).

Almost surely, 2^8243842 is an apocalyptic number.

8243842 is a deficient number, since it is larger than the sum of its proper divisors (4143758).

8243842 is a wasteful number, since it uses less digits than its factorization.

8243842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its digits is 12288, while the sum is 31.

The square root of 8243842 is about 2871.2091529528. The cubic root of 8243842 is about 202.0117138585.

It can be divided in two parts, 82438 and 42, that multiplied together give a triangular number (3462396 = T₂₆₃₁).

The spelling of 8243842 in words is "eight million, two hundred forty-three thousand, eight hundred forty-two".