2129516 has 6 divisors (see below), whose sum is σ = 3726660. Its totient is φ = 1064756.

The previous prime is 2129513. The next prime is 2129521. The reversal of 2129516 is 6159212.

2129516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2129513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266186 + ... + 266193.

It is an arithmetic number, because the mean of its divisors is an integer number (621110).

2^2129516 is an apocalyptic number.

It is an amenable number.

2129516 is a deficient number, since it is larger than the sum of its proper divisors (1597144).

2129516 is a wasteful number, since it uses less digits than its factorization.

2129516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532383 (or 532381 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 2129516 is about 1459.2861268442. The cubic root of 2129516 is about 128.6550888786.

The spelling of 2129516 in words is "two million, one hundred twenty-nine thousand, five hundred sixteen".