8342842 has 4 divisors (see below), whose sum is σ = 12514266. Its totient is φ = 4171420.

The previous prime is 8342839. The next prime is 8342857. The reversal of 8342842 is 2482438.

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

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 2047761 = 2509^2 + 1431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085709 + ... + 2085712.

Almost surely, 2^8342842 is an apocalyptic number.

8342842 is a deficient number, since it is larger than the sum of its proper divisors (4171424).

8342842 is a wasteful number, since it uses less digits than its factorization.

8342842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171423.

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

The square root of 8342842 is about 2888.3978257851. The cubic root of 8342842 is about 202.8171487171.

The spelling of 8342842 in words is "eight million, three hundred forty-two thousand, eight hundred forty-two".