4078688 has 24 divisors (see below), whose sum is σ = 8083152. Its totient is φ = 2025856.

The previous prime is 4078687. The next prime is 4078693. The reversal of 4078688 is 8868704.

It is a happy number.

4078688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078687) 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, 5981 + ... + 6627.

It is an arithmetic number, because the mean of its divisors is an integer number (336798).

Almost surely, 2^4078688 is an apocalyptic number.

It is an amenable number.

4078688 is a deficient number, since it is larger than the sum of its proper divisors (4004464).

4078688 is a wasteful number, since it uses less digits than its factorization.

4078688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 4078688 is about 2019.5761931653. The cubic root of 4078688 is about 159.7742650063.

The spelling of 4078688 in words is "four million, seventy-eight thousand, six hundred eighty-eight".