2798646 has 8 divisors (see below), whose sum is σ = 5597304. Its totient is φ = 932880.

The previous prime is 2798641. The next prime is 2798647. The reversal of 2798646 is 6468972.

2798646 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.

2798646 is an admirable number.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 9⁵ + 8⁷ + 6² + 4⁴ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 2798598 and 2798607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798641) 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, 233215 + ... + 233226.

It is an arithmetic number, because the mean of its divisors is an integer number (699663).

2^2798646 is an apocalyptic number.

2798646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2798646 is a wasteful number, since it uses less digits than its factorization.

2798646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466446.

The product of its digits is 145152, while the sum is 42.

The square root of 2798646 is about 1672.9154192606. The cubic root of 2798646 is about 140.9232518294.

The spelling of 2798646 in words is "two million, seven hundred ninety-eight thousand, six hundred forty-six".