2150189 has 8 divisors (see below), whose sum is σ = 2213400. Its totient is φ = 2088000.

The previous prime is 2150171. The next prime is 2150207. The reversal of 2150189 is 9810512.

It is a happy number.

2150189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2150171) and next prime (2150207).

It can be written as a sum of positive squares in 4 ways, for example, as 504100 + 1646089 = 710^2 + 1283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2150189 - 2⁸ = 2149933 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 (2150119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5987 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (276675).

2^2150189 is an apocalyptic number.

It is an amenable number.

2150189 is a deficient number, since it is larger than the sum of its proper divisors (63211).

2150189 is a wasteful number, since it uses less digits than its factorization.

2150189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 2150189 is about 1466.3522769103. The cubic root of 2150189 is about 129.0700698990.

The spelling of 2150189 in words is "two million, one hundred fifty thousand, one hundred eighty-nine".