2143089 has 18 divisors (see below), whose sum is σ = 3354390. Its totient is φ = 1317888.

The previous prime is 2143087. The next prime is 2143093. The reversal of 2143089 is 9803412.

It can be written as a sum of positive squares in 3 ways, for example, as 230400 + 1912689 = 480^2 + 1383^2 .

It is not a de Polignac number, because 2143089 - 2¹ = 2143087 is a prime.

It is a super-3 number, since 3×2143089³ = 29528533325423441907, which contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2143081) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 817 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (186355).

2^2143089 is an apocalyptic number.

It is an amenable number.

2143089 is a deficient number, since it is larger than the sum of its proper divisors (1211301).

2143089 is a wasteful number, since it uses less digits than its factorization.

2143089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2143089 is about 1463.9293015716. The cubic root of 2143089 is about 128.9278486013.

The spelling of 2143089 in words is "two million, one hundred forty-three thousand, eighty-nine".