4029856 has 12 divisors (see below), whose sum is σ = 7933842. Its totient is φ = 2014912.

The previous prime is 4029847. The next prime is 4029863. The reversal of 4029856 is 6589204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 266256 = 1940^2 + 516^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 62935 + ... + 62998.

Almost surely, 2^4029856 is an apocalyptic number.

It is an amenable number.

4029856 is a deficient number, since it is larger than the sum of its proper divisors (3903986).

4029856 is a wasteful number, since it uses less digits than its factorization.

4029856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125943 (or 125935 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4029856 is about 2007.4501239134. The cubic root of 4029856 is about 159.1340720089.

The spelling of 4029856 in words is "four million, twenty-nine thousand, eight hundred fifty-six".