2828783 has 4 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 2662368.

The previous prime is 2828779. The next prime is 2828797. The reversal of 2828783 is 3878282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3878282 = 2 ⋅1939141.

It is a cyclic number.

It is not a de Polignac number, because 2828783 - 2² = 2828779 is a prime.

It is a super-2 number, since 2×2828783² = 16004026522178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828743) 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, 83183 + ... + 83216.

It is an arithmetic number, because the mean of its divisors is an integer number (748800).

2^2828783 is an apocalyptic number.

2828783 is a deficient number, since it is larger than the sum of its proper divisors (166417).

2828783 is a wasteful number, since it uses less digits than its factorization.

2828783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166416.

The product of its digits is 43008, while the sum is 38.

The square root of 2828783 is about 1681.8986295256. The cubic root of 2828783 is about 141.4272872428.

The spelling of 2828783 in words is "two million, eight hundred twenty-eight thousand, seven hundred eighty-three".