4100189 has 4 divisors (see below), whose sum is σ = 4104540. Its totient is φ = 4095840.

The previous prime is 4100177. The next prime is 4100207. The reversal of 4100189 is 9810014.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9810014 = 2 ⋅4905007.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 3452164 = 805^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100189 - 2²⁰ = 3051613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100489) 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, 104 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (1026135).

Almost surely, 2^4100189 is an apocalyptic number.

It is an amenable number.

4100189 is a deficient number, since it is larger than the sum of its proper divisors (4351).

4100189 is a wasteful number, since it uses less digits than its factorization.

4100189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 4100189 is about 2024.8923428173. The cubic root of 4100189 is about 160.0545256872.

The spelling of 4100189 in words is "four million, one hundred thousand, one hundred eighty-nine".