2119664 has 20 divisors (see below), whose sum is σ = 4141104. Its totient is φ = 1051008.

The previous prime is 2119651. The next prime is 2119669. The reversal of 2119664 is 4669112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709 + ... + 2675.

2^2119664 is an apocalyptic number.

It is an amenable number.

2119664 is a deficient number, since it is larger than the sum of its proper divisors (2021440).

2119664 is a wasteful number, since it uses less digits than its factorization.

2119664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1106 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 2119664 is about 1455.9065904103. The cubic root of 2119664 is about 128.4563786794.

The spelling of 2119664 in words is "two million, one hundred nineteen thousand, six hundred sixty-four".