2160829 has 4 divisors (see below), whose sum is σ = 2357280. Its totient is φ = 1964380.

The previous prime is 2160797. The next prime is 2160833. The reversal of 2160829 is 9280612.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2160829 - 2⁵ = 2160797 is a prime.

It is a Duffinian number.

2160829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2160797 and 2160806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98209 + ... + 98230.

It is an arithmetic number, because the mean of its divisors is an integer number (589320).

2^2160829 is an apocalyptic number.

It is an amenable number.

2160829 is a deficient number, since it is larger than the sum of its proper divisors (196451).

2160829 is a wasteful number, since it uses less digits than its factorization.

2160829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196450.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2160829 is about 1469.9758501418. The cubic root of 2160829 is about 129.2826165678.

The spelling of 2160829 in words is "two million, one hundred sixty thousand, eight hundred twenty-nine".