2168829 has 32 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 1290816.

The previous prime is 2168827. The next prime is 2168851. The reversal of 2168829 is 9288612.

It is not a de Polignac number, because 2168829 - 2¹ = 2168827 is a prime.

2168829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2168793 and 2168802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12904 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^2168829 is an apocalyptic number.

It is an amenable number.

2168829 is a deficient number, since it is larger than the sum of its proper divisors (1406211).

2168829 is a wasteful number, since it uses less digits than its factorization.

2168829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 220 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2168829 is about 1472.6944693316. The cubic root of 2168829 is about 129.4419670109.

It can be divided in two parts, 216 and 8829, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 2168829 in words is "two million, one hundred sixty-eight thousand, eight hundred twenty-nine".