2106516 has 12 divisors (see below), whose sum is σ = 4915232. Its totient is φ = 702168.

The previous prime is 2106491. The next prime is 2106523. The reversal of 2106516 is 6156012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2106516³ = 28042423331012388288, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2106492 and 2106501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87760 + ... + 87783.

2^2106516 is an apocalyptic number.

It is an amenable number.

2106516 is an abundant number, since it is smaller than the sum of its proper divisors (2808716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106516 is a wasteful number, since it uses less digits than its factorization.

2106516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175550 (or 175548 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2106516 is about 1451.3841669248. The cubic root of 2106516 is about 128.1902282185.

The spelling of 2106516 in words is "two million, one hundred six thousand, five hundred sixteen".