3478047 has 16 divisors (see below), whose sum is σ = 5018112. Its totient is φ = 2134400.

The previous prime is 3478039. The next prime is 3478051. The reversal of 3478047 is 7408743.

It is a happy number.

3478047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3478047 - 2³ = 3478039 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3477999 and 3478017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478087) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1672 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (313632).

Almost surely, 2^3478047 is an apocalyptic number.

3478047 is a deficient number, since it is larger than the sum of its proper divisors (1540065).

3478047 is a wasteful number, since it uses less digits than its factorization.

3478047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 3478047 is about 1864.9522782098. The cubic root of 3478047 is about 151.5113433544.

The spelling of 3478047 in words is "three million, four hundred seventy-eight thousand, forty-seven".