3018628 has 12 divisors (see below), whose sum is σ = 5297292. Its totient is φ = 1505120.

The previous prime is 3018607. The next prime is 3018629. The reversal of 3018628 is 8268103.

It can be written as a sum of positive squares in 2 ways, for example, as 432964 + 2585664 = 658^2 + 1608^2 .

It is a super-2 number, since 2×3018628² = 18224230004768, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3018596 and 3018605.

It is not an unprimeable number, because it can be changed into a prime (3018629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026 + ... + 2662.

It is an arithmetic number, because the mean of its divisors is an integer number (441441).

Almost surely, 2^3018628 is an apocalyptic number.

It is an amenable number.

3018628 is a deficient number, since it is larger than the sum of its proper divisors (2278664).

3018628 is a wasteful number, since it uses less digits than its factorization.

3018628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3018628 is about 1737.4199262124. The cubic root of 3018628 is about 144.5228549076.

The spelling of 3018628 in words is "three million, eighteen thousand, six hundred twenty-eight".