8195018 has 8 divisors (see below), whose sum is σ = 13238148. Its totient is φ = 3782304.

The previous prime is 8195017. The next prime is 8195021. The reversal of 8195018 is 8105918.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6723649 + 1471369 = 2593^2 + 1213^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8195017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157571 + ... + 157622.

Almost surely, 2^8195018 is an apocalyptic number.

8195018 is a deficient number, since it is larger than the sum of its proper divisors (5043130).

8195018 is a wasteful number, since it uses less digits than its factorization.

8195018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315208.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 8195018 is about 2862.6941855532. The cubic root of 8195018 is about 201.6121204238.

The spelling of 8195018 in words is "eight million, one hundred ninety-five thousand, eighteen".