3318493 has 4 divisors (see below), whose sum is σ = 3408220. Its totient is φ = 3228768.

The previous prime is 3318479. The next prime is 3318503. The reversal of 3318493 is 3948133.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 700569 = 1618^2 + 837^2 .

It is not a de Polignac number, because 3318493 - 2¹³ = 3310301 is a prime.

It is a super-2 number, since 2×3318493² = 22024791582098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318433) 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, 44808 + ... + 44881.

It is an arithmetic number, because the mean of its divisors is an integer number (852055).

Almost surely, 2^3318493 is an apocalyptic number.

It is an amenable number.

3318493 is a deficient number, since it is larger than the sum of its proper divisors (89727).

3318493 is an equidigital number, since it uses as much as digits as its factorization.

3318493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89726.

The product of its digits is 7776, while the sum is 31.

The square root of 3318493 is about 1821.6731320410. The cubic root of 3318493 is about 149.1581432802.

The spelling of 3318493 in words is "three million, three hundred eighteen thousand, four hundred ninety-three".