3409345 has 8 divisors (see below), whose sum is σ = 4113576. Its totient is φ = 2712576.

The previous prime is 3409339. The next prime is 3409361. The reversal of 3409345 is 5439043.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 2989441 = 648^2 + 1729^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3409345 - 2³ = 3409337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (514197).

Almost surely, 2^3409345 is an apocalyptic number.

It is an amenable number.

3409345 is a deficient number, since it is larger than the sum of its proper divisors (704231).

3409345 is a wasteful number, since it uses less digits than its factorization.

3409345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3409345 is about 1846.4411715514. The cubic root of 3409345 is about 150.5070985567.

The spelling of 3409345 in words is "three million, four hundred nine thousand, three hundred forty-five".