8113642 has 8 divisors (see below), whose sum is σ = 12232836. Its totient is φ = 4036032.

The previous prime is 8113639. The next prime is 8113643. The reversal of 8113642 is 2463118.

It can be written as a sum of positive squares in 2 ways, for example, as 5294601 + 2819041 = 2301^2 + 1679^2 .

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 (8113643) 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, 9903 + ... + 10690.

Almost surely, 2^8113642 is an apocalyptic number.

8113642 is a deficient number, since it is larger than the sum of its proper divisors (4119194).

8113642 is a wasteful number, since it uses less digits than its factorization.

8113642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792.

The product of its digits is 1152, while the sum is 25.

The square root of 8113642 is about 2848.4455409925. The cubic root of 8113642 is about 200.9425675206.

The spelling of 8113642 in words is "eight million, one hundred thirteen thousand, six hundred forty-two".