2783995 has 4 divisors (see below), whose sum is σ = 3340800. Its totient is φ = 2227192.

The previous prime is 2783959. The next prime is 2783999. The reversal of 2783995 is 5993872.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2783995 - 2¹⁹ = 2259707 is a prime.

It is a d-powerful number, because it can be written as 2 + 7⁷ + 8³ + 3⁵ + 9 + 9⁴ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2783999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278395 + ... + 278404.

It is an arithmetic number, because the mean of its divisors is an integer number (835200).

2^2783995 is an apocalyptic number.

2783995 is a deficient number, since it is larger than the sum of its proper divisors (556805).

2783995 is an equidigital number, since it uses as much as digits as its factorization.

2783995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556804.

The product of its digits is 136080, while the sum is 43.

The square root of 2783995 is about 1668.5307908456. The cubic root of 2783995 is about 140.6769089024.

The spelling of 2783995 in words is "two million, seven hundred eighty-three thousand, nine hundred ninety-five".