3405349 has 4 divisors (see below), whose sum is σ = 3410464. Its totient is φ = 3400236.

The previous prime is 3405301. The next prime is 3405359. The reversal of 3405349 is 9435043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9435043 = 41 ⋅230123.

It is a cyclic number.

It is not a de Polignac number, because 3405349 - 2¹³ = 3397157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405359) by changing a digit.

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, 1377 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (852616).

Almost surely, 2^3405349 is an apocalyptic number.

It is an amenable number.

3405349 is a deficient number, since it is larger than the sum of its proper divisors (5115).

3405349 is an equidigital number, since it uses as much as digits as its factorization.

3405349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114.

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

The square root of 3405349 is about 1845.3587727052. The cubic root of 3405349 is about 150.4482738175.

The spelling of 3405349 in words is "three million, four hundred five thousand, three hundred forty-nine".