3391705 has 4 divisors (see below), whose sum is σ = 4070052. Its totient is φ = 2713360.

The previous prime is 3391697. The next prime is 3391769. The reversal of 3391705 is 5071933.

3391705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5071933 = 17 ⋅298349.

It can be written as a sum of positive squares in 2 ways, for example, as 741321 + 2650384 = 861^2 + 1628^2 .

It is not a de Polignac number, because 3391705 - 2³ = 3391697 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339166 + ... + 339175.

It is an arithmetic number, because the mean of its divisors is an integer number (1017513).

Almost surely, 2^3391705 is an apocalyptic number.

It is an amenable number.

3391705 is a deficient number, since it is larger than the sum of its proper divisors (678347).

3391705 is an equidigital number, since it uses as much as digits as its factorization.

3391705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678346.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 3391705 is about 1841.6582201918. The cubic root of 3391705 is about 150.2470742867.

It can be divided in two parts, 3391 and 705, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3391705 in words is "three million, three hundred ninety-one thousand, seven hundred five".