2081299 has 8 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 1883400.

The previous prime is 2081297. The next prime is 2081311. The reversal of 2081299 is 9921802.

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 2081299 - 2¹ = 2081297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081299.

It is not an unprimeable number, because it can be changed into a prime (2081291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

2^2081299 is an apocalyptic number.

2081299 is a deficient number, since it is larger than the sum of its proper divisors (199661).

2081299 is a wasteful number, since it uses less digits than its factorization.

2081299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2081299 is about 1442.6707871167. The cubic root of 2081299 is about 127.6766537584.

The spelling of 2081299 in words is "two million, eighty-one thousand, two hundred ninety-nine".