2820029 has 8 divisors (see below), whose sum is σ = 2918400. Its totient is φ = 2722896.

The previous prime is 2820019. The next prime is 2820031. The reversal of 2820029 is 9200282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2820029 - 2²⁰ = 1771453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2819986 and 2820013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820019) 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 7 ways as a sum of consecutive naturals, for example, 7172 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (364800).

2^2820029 is an apocalyptic number.

It is an amenable number.

2820029 is a deficient number, since it is larger than the sum of its proper divisors (98371).

2820029 is a wasteful number, since it uses less digits than its factorization.

2820029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2820029 is about 1679.2941969768. The cubic root of 2820029 is about 141.2812487315.

The spelling of 2820029 in words is "two million, eight hundred twenty thousand, twenty-nine".