8118458 has 4 divisors (see below), whose sum is σ = 12177690. Its totient is φ = 4059228.

The previous prime is 8118433. The next prime is 8118493. The reversal of 8118458 is 8548118.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8548118 = 2 ⋅4274059.

It can be written as a sum of positive squares in only one way, i.e., 4853209 + 3265249 = 2203^2 + 1807^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029613 + ... + 2029616.

Almost surely, 2^8118458 is an apocalyptic number.

8118458 is a deficient number, since it is larger than the sum of its proper divisors (4059232).

8118458 is a wasteful number, since it uses less digits than its factorization.

8118458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059231.

The product of its digits is 10240, while the sum is 35.

The square root of 8118458 is about 2849.2907889508. The cubic root of 8118458 is about 200.9823173639.

The spelling of 8118458 in words is "eight million, one hundred eighteen thousand, four hundred fifty-eight".