3450805 has 16 divisors (see below), whose sum is σ = 4443264. Its totient is φ = 2566080.

The previous prime is 3450791. The next prime is 3450817. The reversal of 3450805 is 5080543.

It is a happy number.

It is not a de Polignac number, because 3450805 - 2⁵ = 3450773 is a prime.

It is a Duffinian number.

3450805 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3450805.

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 15 ways as a sum of consecutive naturals, for example, 3850 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (277704).

Almost surely, 2^3450805 is an apocalyptic number.

It is an amenable number.

3450805 is a deficient number, since it is larger than the sum of its proper divisors (992459).

3450805 is a wasteful number, since it uses less digits than its factorization.

3450805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3450805 is about 1857.6342481770. The cubic root of 3450805 is about 151.1147323278.

The spelling of 3450805 in words is "three million, four hundred fifty thousand, eight hundred five".