3456505 has 16 divisors (see below), whose sum is σ = 4579344. Its totient is φ = 2488320.

The previous prime is 3456473. The next prime is 3456511. The reversal of 3456505 is 5056543.

It can be written as a sum of positive squares in 8 ways, for example, as 114921 + 3341584 = 339^2 + 1828^2 .

It is not a de Polignac number, because 3456505 - 2⁵ = 3456473 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (286209).

Almost surely, 2^3456505 is an apocalyptic number.

It is an amenable number.

3456505 is a deficient number, since it is larger than the sum of its proper divisors (1122839).

3456505 is a wasteful number, since it uses less digits than its factorization.

3456505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

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

The square root of 3456505 is about 1859.1678245925. The cubic root of 3456505 is about 151.1978897506.

The spelling of 3456505 in words is "three million, four hundred fifty-six thousand, five hundred five".