2789998 has 8 divisors (see below), whose sum is σ = 4405320. Its totient is φ = 1321560.

The previous prime is 2789993. The next prime is 2790001. The reversal of 2789998 is 8999872.

2789998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789993) 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, 36673 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (550665).

2^2789998 is an apocalyptic number.

2789998 is a deficient number, since it is larger than the sum of its proper divisors (1615322).

2789998 is a wasteful number, since it uses less digits than its factorization.

2789998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73442.

The product of its digits is 653184, while the sum is 52.

The square root of 2789998 is about 1670.3287101646. The cubic root of 2789998 is about 140.7779480250. Note that the first 3 decimals are identical.

The spelling of 2789998 in words is "two million, seven hundred eighty-nine thousand, nine hundred ninety-eight".