2847478 has 8 divisors (see below), whose sum is σ = 4351968. Its totient is φ = 1396824.

The previous prime is 2847457. The next prime is 2847479. The reversal of 2847478 is 8747482.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2847478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13326 + ... + 13537.

It is an arithmetic number, because the mean of its divisors is an integer number (543996).

2^2847478 is an apocalyptic number.

2847478 is a deficient number, since it is larger than the sum of its proper divisors (1504490).

2847478 is a wasteful number, since it uses less digits than its factorization.

2847478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918.

The product of its digits is 100352, while the sum is 40.

The square root of 2847478 is about 1687.4471843587. The cubic root of 2847478 is about 141.7381606072.

The spelling of 2847478 in words is "two million, eight hundred forty-seven thousand, four hundred seventy-eight".