2982805 has 8 divisors (see below), whose sum is σ = 4090752. Its totient is φ = 2045328.

The previous prime is 2982799. The next prime is 2982809. The reversal of 2982805 is 5082892.

2982805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2982805 - 2¹⁵ = 2950037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2982809) 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, 42577 + ... + 42646.

It is an arithmetic number, because the mean of its divisors is an integer number (511344).

2^2982805 is an apocalyptic number.

It is an amenable number.

2982805 is a deficient number, since it is larger than the sum of its proper divisors (1107947).

2982805 is an equidigital number, since it uses as much as digits as its factorization.

2982805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85235.

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

The square root of 2982805 is about 1727.0799055052. The cubic root of 2982805 is about 143.9488791019.

The spelling of 2982805 in words is "two million, nine hundred eighty-two thousand, eight hundred five".