3426505 has 4 divisors (see below), whose sum is σ = 4111812. Its totient is φ = 2741200.

The previous prime is 3426497. The next prime is 3426509. The reversal of 3426505 is 5056243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5056243 = 41 ⋅123323.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 876096 = 1597^2 + 936^2 .

It is not a de Polignac number, because 3426505 - 2³ = 3426497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3426505.

It is not an unprimeable number, because it can be changed into a prime (3426509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342646 + ... + 342655.

It is an arithmetic number, because the mean of its divisors is an integer number (1027953).

Almost surely, 2^3426505 is an apocalyptic number.

It is an amenable number.

3426505 is a deficient number, since it is larger than the sum of its proper divisors (685307).

3426505 is an equidigital number, since it uses as much as digits as its factorization.

3426505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685306.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3426505 is about 1851.0821159527. The cubic root of 3426505 is about 150.7591881106.

The spelling of 3426505 in words is "three million, four hundred twenty-six thousand, five hundred five".