4256004 has 12 divisors (see below), whose sum is σ = 9930704. Its totient is φ = 1418664.

The previous prime is 4256003. The next prime is 4256009. The reversal of 4256004 is 4006524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4256004² = 36227140096032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4256003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177322 + ... + 177345.

Almost surely, 2^4256004 is an apocalyptic number.

It is an amenable number.

4256004 is an abundant number, since it is smaller than the sum of its proper divisors (5674700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4256004 is a wasteful number, since it uses less digits than its factorization.

4256004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354674 (or 354672 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4256004 is about 2063.0084827746. The cubic root of 4256004 is about 162.0568311505.

The spelling of 4256004 in words is "four million, two hundred fifty-six thousand, four".