2783894 has 8 divisors (see below), whose sum is σ = 4189968. Its totient is φ = 1387240.

The previous prime is 2783887. The next prime is 2783909. The reversal of 2783894 is 4983872.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (523746).

2^2783894 is an apocalyptic number.

2783894 is a deficient number, since it is larger than the sum of its proper divisors (1406074).

2783894 is a wasteful number, since it uses less digits than its factorization.

2783894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710.

The product of its digits is 96768, while the sum is 41.

The square root of 2783894 is about 1668.5005244231. The cubic root of 2783894 is about 140.6752076853.

The spelling of 2783894 in words is "two million, seven hundred eighty-three thousand, eight hundred ninety-four".