4256873 has 4 divisors (see below), whose sum is σ = 4266240. Its totient is φ = 4247508.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256873 is 3786524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4256873 - 2⁸ = 4256617 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2³ + 5⁵ + 6² + 8 + 7³ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3965 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (1066560).

Almost surely, 2^4256873 is an apocalyptic number.

It is an amenable number.

4256873 is a deficient number, since it is larger than the sum of its proper divisors (9367).

4256873 is an equidigital number, since it uses as much as digits as its factorization.

4256873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366.

The product of its digits is 40320, while the sum is 35.

The square root of 4256873 is about 2063.2190867671. The cubic root of 4256873 is about 162.0678601034.

The spelling of 4256873 in words is "four million, two hundred fifty-six thousand, eight hundred seventy-three".