2798671 has 4 divisors (see below), whose sum is σ = 2823552. Its totient is φ = 2773792.

The previous prime is 2798669. The next prime is 2798687. The reversal of 2798671 is 1768972.

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 2798671 - 2¹ = 2798669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12271 + ... + 12496.

It is an arithmetic number, because the mean of its divisors is an integer number (705888).

2^2798671 is an apocalyptic number.

2798671 is a deficient number, since it is larger than the sum of its proper divisors (24881).

2798671 is a wasteful number, since it uses less digits than its factorization.

2798671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880.

The product of its digits is 42336, while the sum is 40.

The square root of 2798671 is about 1672.9228912296. The cubic root of 2798671 is about 140.9236714455.

The spelling of 2798671 in words is "two million, seven hundred ninety-eight thousand, six hundred seventy-one".