2799867 has 8 divisors (see below), whose sum is σ = 4266496. Its totient is φ = 1599912.

The previous prime is 2799857. The next prime is 2799871. The reversal of 2799867 is 7689972.

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

It is not a de Polignac number, because 2799867 - 2⁶ = 2799803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66643 + ... + 66684.

It is an arithmetic number, because the mean of its divisors is an integer number (533312).

2^2799867 is an apocalyptic number.

2799867 is a deficient number, since it is larger than the sum of its proper divisors (1466629).

2799867 is a wasteful number, since it uses less digits than its factorization.

2799867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133337.

The product of its digits is 381024, while the sum is 48.

The square root of 2799867 is about 1673.2803112450. The cubic root of 2799867 is about 140.9437429614.

The spelling of 2799867 in words is "two million, seven hundred ninety-nine thousand, eight hundred sixty-seven".