2783091 has 8 divisors (see below), whose sum is σ = 3758080. Its totient is φ = 1831752.

The previous prime is 2783047. The next prime is 2783107. The reversal of 2783091 is 1903872.

It is a happy number.

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

It is not a de Polignac number, because 2783091 - 2¹⁹ = 2258803 is a prime.

It is a Duffinian number.

2783091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2783021) 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, 5635 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (469760).

2^2783091 is an apocalyptic number.

2783091 is a deficient number, since it is larger than the sum of its proper divisors (974989).

2783091 is a wasteful number, since it uses less digits than its factorization.

2783091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2783091 is about 1668.2598718425. The cubic root of 2783091 is about 140.6616807030.

The spelling of 2783091 in words is "two million, seven hundred eighty-three thousand, ninety-one".