3306493 has 8 divisors (see below), whose sum is σ = 3454200. Its totient is φ = 3161088.

The previous prime is 3306487. The next prime is 3306509. The reversal of 3306493 is 3946033.

It can be written as a sum of positive squares in 4 ways, for example, as 1369 + 3305124 = 37^2 + 1818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(3306493) divides (3306493-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 3306493 - 2⁵ = 3306461 is a prime.

It is an Ulam number.

It is a Duffinian number.

3306493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3306473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (431775).

Almost surely, 2^3306493 is an apocalyptic number.

It is an amenable number.

3306493 is a deficient number, since it is larger than the sum of its proper divisors (147707).

3306493 is a wasteful number, since it uses less digits than its factorization.

3306493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3306493 is about 1818.3764736710. The cubic root of 3306493 is about 148.9781359147.

The spelling of 3306493 in words is "three million, three hundred six thousand, four hundred ninety-three".