3355405 has 4 divisors (see below), whose sum is σ = 4026492. Its totient is φ = 2684320.

The previous prime is 3355403. The next prime is 3355411. The reversal of 3355405 is 5045533.

It is a happy number.

3355405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5045533 = 23 ⋅219371.

It can be written as a sum of positive squares in 2 ways, for example, as 887364 + 2468041 = 942^2 + 1571^2 .

It is not a de Polignac number, because 3355405 - 2¹ = 3355403 is a prime.

It is a super-3 number, since 3×3355405³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

3355405 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3355405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335536 + ... + 335545.

It is an arithmetic number, because the mean of its divisors is an integer number (1006623).

Almost surely, 2^3355405 is an apocalyptic number.

It is an amenable number.

3355405 is a deficient number, since it is larger than the sum of its proper divisors (671087).

3355405 is an equidigital number, since it uses as much as digits as its factorization.

3355405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671086.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 3355405 is about 1831.7764601610. The cubic root of 3355405 is about 149.7091400716.

The spelling of 3355405 in words is "three million, three hundred fifty-five thousand, four hundred five".