3479405 has 4 divisors (see below), whose sum is σ = 4175292. Its totient is φ = 2783520.

The previous prime is 3479393. The next prime is 3479423. The reversal of 3479405 is 5049743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5049743 = 677 ⋅7459.

It can be written as a sum of positive squares in 2 ways, for example, as 1646089 + 1833316 = 1283^2 + 1354^2 .

It is not a de Polignac number, because 3479405 - 2⁶ = 3479341 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, 347936 + ... + 347945.

It is an arithmetic number, because the mean of its divisors is an integer number (1043823).

Almost surely, 2^3479405 is an apocalyptic number.

It is an amenable number.

3479405 is a deficient number, since it is larger than the sum of its proper divisors (695887).

3479405 is an equidigital number, since it uses as much as digits as its factorization.

3479405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695886.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3479405 is about 1865.3163270609. The cubic root of 3479405 is about 151.5310599397.

The spelling of 3479405 in words is "three million, four hundred seventy-nine thousand, four hundred five".