2129796 has 36 divisors (see below), whose sum is σ = 5470192. Its totient is φ = 698544.

The previous prime is 2129791. The next prime is 2129797. The reversal of 2129796 is 6979212.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2129796.

It is not an unprimeable number, because it can be changed into a prime (2129791) 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, 1971 + ... + 2853.

2^2129796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2735096).

2129796 is an abundant number, since it is smaller than the sum of its proper divisors (3340396).

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

2129796 is a wasteful number, since it uses less digits than its factorization.

2129796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 955 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2129796 is about 1459.3820610108. The cubic root of 2129796 is about 128.6607273815.

The spelling of 2129796 in words is "two million, one hundred twenty-nine thousand, seven hundred ninety-six".