4172256 has 96 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 1261440.

The previous prime is 4172243. The next prime is 4172257. The reversal of 4172256 is 6522714.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172257) 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 15 ways as a sum of consecutive naturals, for example, 9285 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

Almost surely, 2^4172256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4172256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6652800).

4172256 is an abundant number, since it is smaller than the sum of its proper divisors (9133344).

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

4172256 is a wasteful number, since it uses less digits than its factorization.

4172256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 455 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4172256 is about 2042.6100949520. The cubic root of 4172256 is about 160.9868178449.

The spelling of 4172256 in words is "four million, one hundred seventy-two thousand, two hundred fifty-six".