3018644 has 12 divisors (see below), whose sum is σ = 5560800. Its totient is φ = 1429848.

The previous prime is 3018637. The next prime is 3018647. The reversal of 3018644 is 4468103.

3018644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3018644² = 18224423197472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3018647) 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 3 ways as a sum of consecutive naturals, for example, 19784 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (463400).

Almost surely, 2^3018644 is an apocalyptic number.

It is an amenable number.

3018644 is a deficient number, since it is larger than the sum of its proper divisors (2542156).

3018644 is a wasteful number, since it uses less digits than its factorization.

3018644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39742 (or 39740 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3018644 is about 1737.4245307351. The cubic root of 3018644 is about 144.5231102511.

The spelling of 3018644 in words is "three million, eighteen thousand, six hundred forty-four".