2090889 has 12 divisors (see below), whose sum is σ = 3085056. Its totient is φ = 1363992.

The previous prime is 2090873. The next prime is 2090923. The reversal of 2090889 is 9880902.

It is not a de Polignac number, because 2090889 - 2⁴ = 2090873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2049 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (257088).

2^2090889 is an apocalyptic number.

It is an amenable number.

2090889 is a deficient number, since it is larger than the sum of its proper divisors (994167).

2090889 is a wasteful number, since it uses less digits than its factorization.

2090889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2090889 is about 1445.9906638703. The cubic root of 2090889 is about 127.8724518832.

It can be divided in two parts, 20 and 90889, that added together give a palindrome (90909).

The spelling of 2090889 in words is "two million, ninety thousand, eight hundred eighty-nine".