3847478 has 8 divisors (see below), whose sum is σ = 5810400. Its totient is φ = 1910680.

The previous prime is 3847477. The next prime is 3847489. The reversal of 3847478 is 8747483.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847471) 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 3 ways as a sum of consecutive naturals, for example, 6158 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (726300).

Almost surely, 2^3847478 is an apocalyptic number.

3847478 is a deficient number, since it is larger than the sum of its proper divisors (1962922).

3847478 is a wasteful number, since it uses less digits than its factorization.

3847478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062.

The product of its digits is 150528, while the sum is 41.

The square root of 3847478 is about 1961.4989166451. The cubic root of 3847478 is about 156.6962903591.

The spelling of 3847478 in words is "three million, eight hundred forty-seven thousand, four hundred seventy-eight".