2783893 has 8 divisors (see below), whose sum is σ = 3284480. Its totient is φ = 2309040.

The previous prime is 2783887. The next prime is 2783909. The reversal of 2783893 is 3983872.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2783893 - 2¹³ = 2775701 is a prime.

It is the 1669-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783873) by changing a digit.

It is a nontrivial repunit in base 1668.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198 + ... + 6631.

It is an arithmetic number, because the mean of its divisors is an integer number (410560).

2^2783893 is an apocalyptic number.

It is an amenable number.

2783893 is a deficient number, since it is larger than the sum of its proper divisors (500587).

2783893 is a wasteful number, since it uses less digits than its factorization.

2783893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867.

The product of its digits is 72576, while the sum is 40.

The square root of 2783893 is about 1668.5002247528. The cubic root of 2783893 is about 140.6751908413.

The spelling of 2783893 in words is "two million, seven hundred eighty-three thousand, eight hundred ninety-three".