4256836 has 24 divisors (see below), whose sum is σ = 7952000. Its totient is φ = 1988064.

The previous prime is 4256831. The next prime is 4256839. The reversal of 4256836 is 6386524.

It is a happy number.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁷ + 5⁵ + 6 + 8 + 3¹⁰ + 6³ .

It is not an unprimeable number, because it can be changed into a prime (4256831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5650 + ... + 6358.

Almost surely, 2^4256836 is an apocalyptic number.

It is an amenable number.

4256836 is a deficient number, since it is larger than the sum of its proper divisors (3695164).

4256836 is a wasteful number, since it uses less digits than its factorization.

4256836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 4256836 is about 2063.2101201768. The cubic root of 4256836 is about 162.0673905468.

The spelling of 4256836 in words is "four million, two hundred fifty-six thousand, eight hundred thirty-six".