4047878 has 16 divisors (see below), whose sum is σ = 6352560. Its totient is φ = 1932000.

The previous prime is 4047847. The next prime is 4047929. The reversal of 4047878 is 8787404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (397035).

Almost surely, 2^4047878 is an apocalyptic number.

4047878 is a deficient number, since it is larger than the sum of its proper divisors (2304682).

4047878 is a wasteful number, since it uses less digits than its factorization.

4047878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 4047878 is about 2011.9338955343. The cubic root of 4047878 is about 159.3709414832.

The spelling of 4047878 in words is "four million, forty-seven thousand, eight hundred seventy-eight".