4087256 has 8 divisors (see below), whose sum is σ = 7663620. Its totient is φ = 2043624.

The previous prime is 4087253. The next prime is 4087267. The reversal of 4087256 is 6527804.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255446 + ... + 255461.

Almost surely, 2^4087256 is an apocalyptic number.

It is an amenable number.

4087256 is a deficient number, since it is larger than the sum of its proper divisors (3576364).

4087256 is a wasteful number, since it uses less digits than its factorization.

4087256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510913 (or 510909 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4087256 is about 2021.6963174523. The cubic root of 4087256 is about 159.8860647198.

The spelling of 4087256 in words is "four million, eighty-seven thousand, two hundred fifty-six".