3613018 has 4 divisors (see below), whose sum is σ = 5419530. Its totient is φ = 1806508.

The previous prime is 3613009. The next prime is 3613033. The reversal of 3613018 is 8103163.

3613018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 1075369 = 1593^2 + 1037^2 .

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 3613018.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 903253 + ... + 903256.

Almost surely, 2^3613018 is an apocalyptic number.

3613018 is a deficient number, since it is larger than the sum of its proper divisors (1806512).

3613018 is a wasteful number, since it uses less digits than its factorization.

3613018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806511.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3613018 is about 1900.7940446035. The cubic root of 3613018 is about 153.4464015849.

The spelling of 3613018 in words is "three million, six hundred thirteen thousand, eighteen".