3307405 has 4 divisors (see below), whose sum is σ = 3968892. Its totient is φ = 2645920.

The previous prime is 3307399. The next prime is 3307417. The reversal of 3307405 is 5047033.

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 2232036 + 1075369 = 1494^2 + 1037^2 .

It is not a de Polignac number, because 3307405 - 2⁵ = 3307373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330736 + ... + 330745.

It is an arithmetic number, because the mean of its divisors is an integer number (992223).

Almost surely, 2^3307405 is an apocalyptic number.

It is an amenable number.

3307405 is a deficient number, since it is larger than the sum of its proper divisors (661487).

3307405 is an equidigital number, since it uses as much as digits as its factorization.

3307405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661486.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 3307405 is about 1818.6272295333. The cubic root of 3307405 is about 148.9918317520.

The spelling of 3307405 in words is "three million, three hundred seven thousand, four hundred five".