4105557 has 12 divisors (see below), whose sum is σ = 6091020. Its totient is φ = 2662848.

The previous prime is 4105553. The next prime is 4105567. The reversal of 4105557 is 7555014.

4105557 is a `hidden beast` number, since 4 + 105 + 557 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1461681 + 2643876 = 1209^2 + 1626^2 .

It is not a de Polignac number, because 4105557 - 2² = 4105553 is a prime.

It is an Ulam number.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 4105557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4105553) 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 11 ways as a sum of consecutive naturals, for example, 5832 + ... + 6497.

It is an arithmetic number, because the mean of its divisors is an integer number (507585).

Almost surely, 2^4105557 is an apocalyptic number.

It is an amenable number.

4105557 is a deficient number, since it is larger than the sum of its proper divisors (1985463).

4105557 is a wasteful number, since it uses less digits than its factorization.

4105557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 4105557 is about 2026.2174118292. The cubic root of 4105557 is about 160.1243434461.

The spelling of 4105557 in words is "four million, one hundred five thousand, five hundred fifty-seven".