8118491 has 8 divisors (see below), whose sum is σ = 8643600. Its totient is φ = 7603200.

The previous prime is 8118433. The next prime is 8118493. The reversal of 8118491 is 1948118.

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

It is a cyclic number.

It is not a de Polignac number, because 8118491 - 2²² = 3924187 is a prime.

It is a super-2 number, since 2×8118491² = 131819792234162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8118493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (1080450).

Almost surely, 2^8118491 is an apocalyptic number.

8118491 is a deficient number, since it is larger than the sum of its proper divisors (525109).

8118491 is a wasteful number, since it uses less digits than its factorization.

8118491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909.

The product of its digits is 2304, while the sum is 32.

The square root of 8118491 is about 2849.2965798597. The cubic root of 8118491 is about 200.9825896820.

The spelling of 8118491 in words is "eight million, one hundred eighteen thousand, four hundred ninety-one".