2119689 has 48 divisors (see below), whose sum is σ = 3791424. Its totient is φ = 1166400.

The previous prime is 2119681. The next prime is 2119699. The reversal of 2119689 is 9869112.

It is not a de Polignac number, because 2119689 - 2³ = 2119681 is a prime.

It is a Curzon number.

2119689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2119681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34719 + ... + 34779.

It is an arithmetic number, because the mean of its divisors is an integer number (78988).

2^2119689 is an apocalyptic number.

It is an amenable number.

2119689 is a deficient number, since it is larger than the sum of its proper divisors (1671735).

2119689 is a wasteful number, since it uses less digits than its factorization.

2119689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 88 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2119689 is about 1455.9151761006. The cubic root of 2119689 is about 128.4568836960.

The spelling of 2119689 in words is "two million, one hundred nineteen thousand, six hundred eighty-nine".