8642042 has 8 divisors (see below), whose sum is σ = 13038516. Its totient is φ = 4295872.

The previous prime is 8642033. The next prime is 8642057. The reversal of 8642042 is 2402468.

It can be written as a sum of positive squares in 2 ways, for example, as 8579041 + 63001 = 2929^2 + 251^2 .

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

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, 12143 + ... + 12834.

Almost surely, 2^8642042 is an apocalyptic number.

8642042 is a deficient number, since it is larger than the sum of its proper divisors (4396474).

8642042 is a wasteful number, since it uses less digits than its factorization.

8642042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25152.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 8642042 is about 2939.7350220726. The cubic root of 8642042 is about 205.2132779338.

The spelling of 8642042 in words is "eight million, six hundred forty-two thousand, forty-two".