4155256 has 16 divisors (see below), whose sum is σ = 8904240. Its totient is φ = 1780800.

The previous prime is 4155251. The next prime is 4155257. The reversal of 4155256 is 6525514.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155251) 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, 37045 + ... + 37156.

It is an arithmetic number, because the mean of its divisors is an integer number (556515).

Almost surely, 2^4155256 is an apocalyptic number.

It is an amenable number.

4155256 is an abundant number, since it is smaller than the sum of its proper divisors (4748984).

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

4155256 is a wasteful number, since it uses less digits than its factorization.

4155256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74214 (or 74210 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 4155256 is about 2038.4445050087. Note that the first 3 decimals coincide. The cubic root of 4155256 is about 160.7678714388.

It can be divided in two parts, 415 and 5256, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 4155256 in words is "four million, one hundred fifty-five thousand, two hundred fifty-six".