2988591 has 4 divisors (see below), whose sum is σ = 3984792. Its totient is φ = 1992392.

The previous prime is 2988571. The next prime is 2988607. The reversal of 2988591 is 1958892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2988591 - 2⁹ = 2988079 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498096 + ... + 498101.

It is an arithmetic number, because the mean of its divisors is an integer number (996198).

2^2988591 is an apocalyptic number.

2988591 is a deficient number, since it is larger than the sum of its proper divisors (996201).

2988591 is an equidigital number, since it uses as much as digits as its factorization.

2988591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996200.

The product of its digits is 51840, while the sum is 42.

The square root of 2988591 is about 1728.7541756999. The cubic root of 2988591 is about 144.0418956029.

The spelling of 2988591 in words is "two million, nine hundred eighty-eight thousand, five hundred ninety-one".