4056418 has 16 divisors (see below), whose sum is σ = 6399936. Its totient is φ = 1924560.

The previous prime is 4056407. The next prime is 4056419. The reversal of 4056418 is 8146504.

It is not an unprimeable number, because it can be changed into a prime (4056419) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7228 + ... + 7768.

It is an arithmetic number, because the mean of its divisors is an integer number (399996).

Almost surely, 2^4056418 is an apocalyptic number.

4056418 is a deficient number, since it is larger than the sum of its proper divisors (2343518).

4056418 is a wasteful number, since it uses less digits than its factorization.

4056418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4056418 is about 2014.0551134465. The cubic root of 4056418 is about 159.4829402324.

The spelling of 4056418 in words is "four million, fifty-six thousand, four hundred eighteen".