8118634 has 4 divisors (see below), whose sum is σ = 12177954. Its totient is φ = 4059316.

The previous prime is 8118629. The next prime is 8118641. The reversal of 8118634 is 4368118.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4368118 = 2 ⋅2184059.

It can be written as a sum of positive squares in only one way, i.e., 8105409 + 13225 = 2847^2 + 115^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8118596 and 8118605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029657 + ... + 2029660.

Almost surely, 2^8118634 is an apocalyptic number.

8118634 is a deficient number, since it is larger than the sum of its proper divisors (4059320).

8118634 is a wasteful number, since it uses less digits than its factorization.

8118634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059319.

The product of its digits is 4608, while the sum is 31.

The square root of 8118634 is about 2849.3216736620. The cubic root of 8118634 is about 200.9837697182.

The spelling of 8118634 in words is "eight million, one hundred eighteen thousand, six hundred thirty-four".