2189371 has 2 divisors, whose sum is σ = 2189372. Its totient is φ = 2189370.

The previous prime is 2189357. The next prime is 2189381. The reversal of 2189371 is 1739812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2189371 - 2⁵ = 2189339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2189321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094685 + 1094686.

It is an arithmetic number, because the mean of its divisors is an integer number (1094686).

2^2189371 is an apocalyptic number.

2189371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189371 is an equidigital number, since it uses as much as digits as its factorization.

2189371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 2189371 is about 1479.6523240275. The cubic root of 2189371 is about 129.8493521194.

The spelling of 2189371 in words is "two million, one hundred eighty-nine thousand, three hundred seventy-one".