2113768 has 8 divisors (see below), whose sum is σ = 3963330. Its totient is φ = 1056880.

The previous prime is 2113759. The next prime is 2113789. The reversal of 2113768 is 8673112.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 1036324 = 1038^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2113768³ = 28333042392369962496, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132103 + ... + 132118.

2^2113768 is an apocalyptic number.

It is an amenable number.

2113768 is a deficient number, since it is larger than the sum of its proper divisors (1849562).

2113768 is a wasteful number, since it uses less digits than its factorization.

2113768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264227 (or 264223 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 2113768 is about 1453.8803251987. The cubic root of 2113768 is about 128.3371644815.

The spelling of 2113768 in words is "two million, one hundred thirteen thousand, seven hundred sixty-eight".