2116413 has 12 divisors (see below), whose sum is σ = 3292380. Its totient is φ = 1302336.

The previous prime is 2116409. The next prime is 2116423. The reversal of 2116413 is 3146112.

It is a happy number.

2116413 is a `hidden beast` number, since 21 + 1 + 641 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1159929 + 956484 = 1077^2 + 978^2 .

It is not a de Polignac number, because 2116413 - 2² = 2116409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116403) 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, 8928 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (274365).

2^2116413 is an apocalyptic number.

It is an amenable number.

2116413 is a deficient number, since it is larger than the sum of its proper divisors (1175967).

2116413 is a wasteful number, since it uses less digits than its factorization.

2116413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18108 (or 18105 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2116413 is about 1454.7896755201. The cubic root of 2116413 is about 128.3906724525.

The spelling of 2116413 in words is "two million, one hundred sixteen thousand, four hundred thirteen".