2820099 has 12 divisors (see below), whose sum is σ = 3932936. Its totient is φ = 1797312.

The previous prime is 2820089. The next prime is 2820109. The reversal of 2820099 is 9900282.

It is an interprime number because it is at equal distance from previous prime (2820089) and next prime (2820109).

It is not a de Polignac number, because 2820099 - 2⁹ = 2819587 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699 + ... + 2475.

2^2820099 is an apocalyptic number.

2820099 is a deficient number, since it is larger than the sum of its proper divisors (1112837).

2820099 is a wasteful number, since it uses less digits than its factorization.

2820099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2820099 is about 1679.3150389370. The cubic root of 2820099 is about 141.2824177036.

The spelling of 2820099 in words is "two million, eight hundred twenty thousand, ninety-nine".