3406705 has 4 divisors (see below), whose sum is σ = 4088052. Its totient is φ = 2725360.

The previous prime is 3406703. The next prime is 3406709. The reversal of 3406705 is 5076043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5076043 = 7 ⋅725149.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 2408704 = 999^2 + 1552^2 .

It is not a de Polignac number, because 3406705 - 2¹ = 3406703 is a prime.

It is a Duffinian number.

3406705 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3406705.

It is not an unprimeable number, because it can be changed into a prime (3406703) 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, 340666 + ... + 340675.

It is an arithmetic number, because the mean of its divisors is an integer number (1022013).

Almost surely, 2^3406705 is an apocalyptic number.

It is an amenable number.

3406705 is a deficient number, since it is larger than the sum of its proper divisors (681347).

3406705 is an equidigital number, since it uses as much as digits as its factorization.

3406705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681346.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3406705 is about 1845.7261443670. The cubic root of 3406705 is about 150.4682405216.

The spelling of 3406705 in words is "three million, four hundred six thousand, seven hundred five".