4189155 has 16 divisors (see below), whose sum is σ = 6731424. Its totient is φ = 2224640.

The previous prime is 4189153. The next prime is 4189181. The reversal of 4189155 is 5519814.

It is not a de Polignac number, because 4189155 - 2¹ = 4189153 is a prime.

It is a super-2 number, since 2×4189155² = 35098039228050, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4189153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (420714).

Almost surely, 2^4189155 is an apocalyptic number.

4189155 is a deficient number, since it is larger than the sum of its proper divisors (2542269).

4189155 is a wasteful number, since it uses less digits than its factorization.

4189155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its digits is 7200, while the sum is 33.

The square root of 4189155 is about 2046.7425338816. The cubic root of 4189155 is about 161.2038747947.

The spelling of 4189155 in words is "four million, one hundred eighty-nine thousand, one hundred fifty-five".