2793891 has 8 divisors (see below), whose sum is σ = 3763984. Its totient is φ = 1843200.

The previous prime is 2793887. The next prime is 2793911. The reversal of 2793891 is 1983972.

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

It is not a de Polignac number, because 2793891 - 2² = 2793887 is a prime.

It is a Duffinian number.

2793891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2793811) 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, 4510 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (470498).

2^2793891 is an apocalyptic number.

2793891 is a deficient number, since it is larger than the sum of its proper divisors (970093).

2793891 is an equidigital number, since it uses as much as digits as its factorization.

2793891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701.

The product of its digits is 27216, while the sum is 39.

The square root of 2793891 is about 1671.4936434220. The cubic root of 2793891 is about 140.8433953651.

The spelling of 2793891 in words is "two million, seven hundred ninety-three thousand, eight hundred ninety-one".