3478447 has 8 divisors (see below), whose sum is σ = 4023936. Its totient is φ = 2945112.

The previous prime is 3478427. The next prime is 3478459. The reversal of 3478447 is 7448743.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3478447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2413 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (502992).

Almost surely, 2^3478447 is an apocalyptic number.

3478447 is a deficient number, since it is larger than the sum of its proper divisors (545489).

3478447 is an equidigital number, since it uses as much as digits as its factorization.

3478447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077.

The product of its digits is 75264, while the sum is 37.

The square root of 3478447 is about 1865.0595164766. The cubic root of 3478447 is about 151.5171514237.

It can be divided in two parts, 3 and 478447, that multiplied together give a palindrome (1435341).

The spelling of 3478447 in words is "three million, four hundred seventy-eight thousand, four hundred forty-seven".