3478305 has 16 divisors (see below), whose sum is σ = 5649984. Its totient is φ = 1826880.

The previous prime is 3478303. The next prime is 3478309. The reversal of 3478305 is 5038743.

It is not a de Polignac number, because 3478305 - 2¹ = 3478303 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (353124).

Almost surely, 2^3478305 is an apocalyptic number.

It is an amenable number.

3478305 is a deficient number, since it is larger than the sum of its proper divisors (2171679).

3478305 is a wasteful number, since it uses less digits than its factorization.

3478305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3478305 is about 1865.0214475979. The cubic root of 3478305 is about 151.5150896101.

The spelling of 3478305 in words is "three million, four hundred seventy-eight thousand, three hundred five".