2085829 has 4 divisors (see below), whose sum is σ = 2114476. Its totient is φ = 2057184.

The previous prime is 2085823. The next prime is 2085833. The reversal of 2085829 is 9285802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390625 + 1695204 = 625^2 + 1302^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085829 - 2⁷ = 2085701 is a prime.

It is a super-3 number, since 3×2085829³ = 27224339918511533367, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2085794 and 2085803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085823) 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, 14214 + ... + 14359.

It is an arithmetic number, because the mean of its divisors is an integer number (528619).

2^2085829 is an apocalyptic number.

It is an amenable number.

2085829 is a deficient number, since it is larger than the sum of its proper divisors (28647).

2085829 is an equidigital number, since it uses as much as digits as its factorization.

2085829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2085829 is about 1444.2399385144. The cubic root of 2085829 is about 127.7692171258.

It can be divided in two parts, 20 and 85829, that added together give a square (85849 = 293²).

The spelling of 2085829 in words is "two million, eighty-five thousand, eight hundred twenty-nine".