2899993 has 2 divisors, whose sum is σ = 2899994. Its totient is φ = 2899992.

The previous prime is 2899991. The next prime is 2899997. The reversal of 2899993 is 3999982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2778889 + 121104 = 1667^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 2899993 - 2¹ = 2899991 is a prime.

Together with 2899991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2899991) 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 as a sum of consecutive naturals, namely, 1449996 + 1449997.

It is an arithmetic number, because the mean of its divisors is an integer number (1449997).

2^2899993 is an apocalyptic number.

It is an amenable number.

2899993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2899993 is an equidigital number, since it uses as much as digits as its factorization.

2899993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 2899993 is about 1702.9365813206. The cubic root of 2899993 is about 142.6041999750.

It can be divided in two parts, 28999 and 93, that added together give a palindrome (29092).

The spelling of 2899993 in words is "two million, eight hundred ninety-nine thousand, nine hundred ninety-three".