2998321 has 8 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 2909280.

The previous prime is 2998319. The next prime is 2998337. The reversal of 2998321 is 1238992.

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 2998321 - 2¹ = 2998319 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2998301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4966 + ... + 5536.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

2^2998321 is an apocalyptic number.

It is an amenable number.

2998321 is a deficient number, since it is larger than the sum of its proper divisors (90479).

2998321 is an equidigital number, since it uses as much as digits as its factorization.

2998321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its digits is 7776, while the sum is 34.

The square root of 2998321 is about 1731.5660541833. The cubic root of 2998321 is about 144.1980460427.

The spelling of 2998321 in words is "two million, nine hundred ninety-eight thousand, three hundred twenty-one".