3091018 has 12 divisors (see below), whose sum is σ = 5393682. Its totient is φ = 1324680.

The previous prime is 3091009. The next prime is 3091019. The reversal of 3091018 is 8101903.

3091018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 3969 = 1757^2 + 63^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3091018.

It is not an unprimeable number, because it can be changed into a prime (3091019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15673 + ... + 15868.

Almost surely, 2^3091018 is an apocalyptic number.

3091018 is a deficient number, since it is larger than the sum of its proper divisors (2302664).

3091018 is a wasteful number, since it uses less digits than its factorization.

3091018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31557 (or 31550 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 3091018 is about 1758.1291192629. The cubic root of 3091018 is about 145.6690131412.

The spelling of 3091018 in words is "three million, ninety-one thousand, eighteen".