3455605 has 4 divisors (see below), whose sum is σ = 4146732. Its totient is φ = 2764480.

The previous prime is 3455597. The next prime is 3455629. The reversal of 3455605 is 5065543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2149156 + 1306449 = 1466^2 + 1143^2 .

It is not a de Polignac number, because 3455605 - 2³ = 3455597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 345556 + ... + 345565.

It is an arithmetic number, because the mean of its divisors is an integer number (1036683).

Almost surely, 2^3455605 is an apocalyptic number.

It is an amenable number.

3455605 is a deficient number, since it is larger than the sum of its proper divisors (691127).

3455605 is an equidigital number, since it uses as much as digits as its factorization.

3455605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691126.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3455605 is about 1858.9257650589. The cubic root of 3455605 is about 151.1847657122.

The spelling of 3455605 in words is "three million, four hundred fifty-five thousand, six hundred five".