4078849 has 4 divisors (see below), whose sum is σ = 4130560. Its totient is φ = 4027140.

The previous prime is 4078831. The next prime is 4078871. The reversal of 4078849 is 9488704.

4078849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4078849 - 2⁵ = 4078817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4078819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25737 + ... + 25894.

It is an arithmetic number, because the mean of its divisors is an integer number (1032640).

Almost surely, 2^4078849 is an apocalyptic number.

It is an amenable number.

4078849 is a deficient number, since it is larger than the sum of its proper divisors (51711).

4078849 is an equidigital number, since it uses as much as digits as its factorization.

4078849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51710.

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

The square root of 4078849 is about 2019.6160526199. The cubic root of 4078849 is about 159.7763672606.

The spelling of 4078849 in words is "four million, seventy-eight thousand, eight hundred forty-nine".