4071256 has 16 divisors (see below), whose sum is σ = 8724240. Its totient is φ = 1744800.

The previous prime is 4071241. The next prime is 4071257. The reversal of 4071256 is 6521704.

It is a self number, because there is not a number n which added to its sum of digits gives 4071256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4071257) 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 3 ways as a sum of consecutive naturals, for example, 36295 + ... + 36406.

It is an arithmetic number, because the mean of its divisors is an integer number (545265).

Almost surely, 2^4071256 is an apocalyptic number.

It is an amenable number.

4071256 is an abundant number, since it is smaller than the sum of its proper divisors (4652984).

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

4071256 is a wasteful number, since it uses less digits than its factorization.

4071256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72714 (or 72710 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 4071256 is about 2017.7353642140. The cubic root of 4071256 is about 159.6771615339.

Subtracting from 4071256 its sum of digits (25), we obtain a triangular number (4071231 = T₂₈₅₃).

The spelling of 4071256 in words is "four million, seventy-one thousand, two hundred fifty-six".