8183818 has 4 divisors (see below), whose sum is σ = 12275730. Its totient is φ = 4091908.

The previous prime is 8183809. The next prime is 8183827.

8183818 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8183809) and next prime (8183827).

It can be written as a sum of positive squares in only one way, i.e., 4809249 + 3374569 = 2193^2 + 1837^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045953 + ... + 2045956.

Almost surely, 2^8183818 is an apocalyptic number.

8183818 is a deficient number, since it is larger than the sum of its proper divisors (4091912).

8183818 is a wasteful number, since it uses less digits than its factorization.

8183818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091911.

The product of its digits is 12288, while the sum is 37.

The square root of 8183818 is about 2860.7373175460. The cubic root of 8183818 is about 201.5202318636.

The spelling of 8183818 in words is "eight million, one hundred eighty-three thousand, eight hundred eighteen".