4079189 has 2 divisors, whose sum is σ = 4079190. Its totient is φ = 4079188.

The previous prime is 4079143. The next prime is 4079191. The reversal of 4079189 is 9819704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 1844164 = 1495^2 + 1358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4079189 is a prime.

Together with 4079191, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4079489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039594 + 2039595.

It is an arithmetic number, because the mean of its divisors is an integer number (2039595).

Almost surely, 2^4079189 is an apocalyptic number.

It is an amenable number.

4079189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4079189 is an equidigital number, since it uses as much as digits as its factorization.

4079189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 4079189 is about 2019.7002252810. The cubic root of 4079189 is about 159.7808066221.

The spelling of 4079189 in words is "four million, seventy-nine thousand, one hundred eighty-nine".