2828771 has 4 divisors (see below), whose sum is σ = 3085944. Its totient is φ = 2571600.

The previous prime is 2828767. The next prime is 2828779. The reversal of 2828771 is 1778282.

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 2828771 - 2² = 2828767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828779) 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, 128570 + ... + 128591.

It is an arithmetic number, because the mean of its divisors is an integer number (771486).

2^2828771 is an apocalyptic number.

2828771 is a deficient number, since it is larger than the sum of its proper divisors (257173).

2828771 is a wasteful number, since it uses less digits than its factorization.

2828771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257172.

The product of its digits is 12544, while the sum is 35.

The square root of 2828771 is about 1681.8950621249. The cubic root of 2828771 is about 141.4270872593.

The spelling of 2828771 in words is "two million, eight hundred twenty-eight thousand, seven hundred seventy-one".