2981999 has 2 divisors, whose sum is σ = 2982000. Its totient is φ = 2981998.

The previous prime is 2981981. The next prime is 2982011. The reversal of 2981999 is 9991892.

2981999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2981999 - 2¹² = 2977903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2981959) 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 as a sum of consecutive naturals, namely, 1490999 + 1491000.

It is an arithmetic number, because the mean of its divisors is an integer number (1491000).

2^2981999 is an apocalyptic number.

2981999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981999 is an equidigital number, since it uses as much as digits as its factorization.

2981999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 47.

The square root of 2981999 is about 1726.8465479017. The cubic root of 2981999 is about 143.9359121967.

It can be divided in two parts, 29 and 81999, that added together give a palindrome (82028).

The spelling of 2981999 in words is "two million, nine hundred eighty-one thousand, nine hundred ninety-nine".