2998869 has 4 divisors (see below), whose sum is σ = 3998496. Its totient is φ = 1999244.

The previous prime is 2998867. The next prime is 2998883. The reversal of 2998869 is 9688992.

2998869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2998869 - 2¹ = 2998867 is a prime.

It is a super-2 number, since 2×2998869² = 17986430558322, which contains 22 as substring.

It is a D-number.

2998869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998867) 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 in 3 ways as a sum of consecutive naturals, for example, 499809 + ... + 499814.

It is an arithmetic number, because the mean of its divisors is an integer number (999624).

2^2998869 is an apocalyptic number.

It is an amenable number.

2998869 is a deficient number, since it is larger than the sum of its proper divisors (999627).

2998869 is an equidigital number, since it uses as much as digits as its factorization.

2998869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999626.

The product of its digits is 559872, while the sum is 51.

The square root of 2998869 is about 1731.7242852140. The cubic root of 2998869 is about 144.2068304830.

The spelling of 2998869 in words is "two million, nine hundred ninety-eight thousand, eight hundred sixty-nine".