2898991 has 2 divisors, whose sum is σ = 2898992. Its totient is φ = 2898990.

The previous prime is 2898983. The next prime is 2899009. The reversal of 2898991 is 1998982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2898991 - 2³ = 2898983 is a prime.

2898991 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2898901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449495 + 1449496.

It is an arithmetic number, because the mean of its divisors is an integer number (1449496).

2^2898991 is an apocalyptic number.

2898991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2898991 is an equidigital number, since it uses as much as digits as its factorization.

2898991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 46.

The square root of 2898991 is about 1702.6423582185. The cubic root of 2898991 is about 142.5877739735.

Subtracting from 2898991 its reverse (1998982), we obtain a palindrome (900009).

The spelling of 2898991 in words is "two million, eight hundred ninety-eight thousand, nine hundred ninety-one".