2129260 has 48 divisors (see below), whose sum is σ = 5209344. Its totient is φ = 715968.

The previous prime is 2129227. The next prime is 2129261. The reversal of 2129260 is 629212.

It is a happy number.

2129260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129261) 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 in 15 ways as a sum of consecutive naturals, for example, 9267 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (108528).

2^2129260 is an apocalyptic number.

2129260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604672).

2129260 is an abundant number, since it is smaller than the sum of its proper divisors (3080084).

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

2129260 is a wasteful number, since it uses less digits than its factorization.

2129260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2129260 is about 1459.1984100869. The cubic root of 2129260 is about 128.6499332435.

The spelling of 2129260 in words is "two million, one hundred twenty-nine thousand, two hundred sixty".