4172056 has 48 divisors (see below), whose sum is σ = 9439200. Its totient is φ = 1721664.

The previous prime is 4172041. The next prime is 4172057. The reversal of 4172056 is 6502714.

It is a self number, because there is not a number n which added to its sum of digits gives 4172056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11185 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (196650).

Almost surely, 2^4172056 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 4172056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4719600).

4172056 is an abundant number, since it is smaller than the sum of its proper divisors (5267144).

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

4172056 is a wasteful number, since it uses less digits than its factorization.

4172056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 405 counting only the distinct ones).

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

The square root of 4172056 is about 2042.5611373959. The cubic root of 4172056 is about 160.9842454653.

The spelling of 4172056 in words is "four million, one hundred seventy-two thousand, fifty-six".