2798567 has 4 divisors (see below), whose sum is σ = 2945880. Its totient is φ = 2651256.

The previous prime is 2798539. The next prime is 2798597. The reversal of 2798567 is 7658972.

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 2798567 - 2⁶ = 2798503 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 (2798527) 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, 73628 + ... + 73665.

It is an arithmetic number, because the mean of its divisors is an integer number (736470).

2^2798567 is an apocalyptic number.

2798567 is a deficient number, since it is larger than the sum of its proper divisors (147313).

2798567 is a wasteful number, since it uses less digits than its factorization.

2798567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147312.

The product of its digits is 211680, while the sum is 44.

The square root of 2798567 is about 1672.8918076194. The cubic root of 2798567 is about 140.9219258261.

The spelling of 2798567 in words is "two million, seven hundred ninety-eight thousand, five hundred sixty-seven".