3347405 has 4 divisors (see below), whose sum is σ = 4016892. Its totient is φ = 2677920.

The previous prime is 3347369. The next prime is 3347413. The reversal of 3347405 is 5047433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5047433 = 1609 ⋅3137.

It can be written as a sum of positive squares in 2 ways, for example, as 568516 + 2778889 = 754^2 + 1667^2 .

It is not a de Polignac number, because 3347405 - 2⁶ = 3347341 is a prime.

It is a super-2 number, since 2×3347405² = 22410240468050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334736 + ... + 334745.

It is an arithmetic number, because the mean of its divisors is an integer number (1004223).

Almost surely, 2^3347405 is an apocalyptic number.

It is an amenable number.

3347405 is a deficient number, since it is larger than the sum of its proper divisors (669487).

3347405 is an equidigital number, since it uses as much as digits as its factorization.

3347405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669486.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 3347405 is about 1829.5914844577. The cubic root of 3347405 is about 149.5900658993.

The spelling of 3347405 in words is "three million, three hundred forty-seven thousand, four hundred five".