4047478 has 8 divisors (see below), whose sum is σ = 6080472. Its totient is φ = 2020656.

The previous prime is 4047473. The next prime is 4047487. The reversal of 4047478 is 8747404.

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 (4047473) 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, 826 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (760059).

Almost surely, 2^4047478 is an apocalyptic number.

4047478 is a deficient number, since it is larger than the sum of its proper divisors (2032994).

4047478 is a wasteful number, since it uses less digits than its factorization.

4047478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 4047478 is about 2011.8344862339. The cubic root of 4047478 is about 159.3656917798.

The spelling of 4047478 in words is "four million, forty-seven thousand, four hundred seventy-eight".