3018493 has 2 divisors, whose sum is σ = 3018494. Its totient is φ = 3018492.

The previous prime is 3018487. The next prime is 3018517. The reversal of 3018493 is 3948103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2679769 + 338724 = 1637^2 + 582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3018493 is a prime.

It is a super-2 number, since 2×3018493² = 18222599982098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3018413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1509246 + 1509247.

It is an arithmetic number, because the mean of its divisors is an integer number (1509247).

Almost surely, 2^3018493 is an apocalyptic number.

It is an amenable number.

3018493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3018493 is an equidigital number, since it uses as much as digits as its factorization.

3018493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3018493 is about 1737.3810750667. The cubic root of 3018493 is about 144.5207004104.

The spelling of 3018493 in words is "three million, eighteen thousand, four hundred ninety-three".