4049878 has 16 divisors (see below), whose sum is σ = 7061760. Its totient is φ = 1705896.

The previous prime is 4049873. The next prime is 4049887. The reversal of 4049878 is 8789404.

It is a self number, because there is not a number n which added to its sum of digits gives 4049878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (441360).

Almost surely, 2^4049878 is an apocalyptic number.

4049878 is a deficient number, since it is larger than the sum of its proper divisors (3011882).

4049878 is a wasteful number, since it uses less digits than its factorization.

4049878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4049878 is about 2012.4308683778. The cubic root of 4049878 is about 159.3971848138.

The spelling of 4049878 in words is "four million, forty-nine thousand, eight hundred seventy-eight".