2827281 has 8 divisors (see below), whose sum is σ = 3871744. Its totient is φ = 1833840.

The previous prime is 2827277. The next prime is 2827327. The reversal of 2827281 is 1827282.

It is a happy number.

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

It is not a de Polignac number, because 2827281 - 2² = 2827277 is a prime.

It is a super-2 number, since 2×2827281² = 15987035705922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2827211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12625 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (483968).

2^2827281 is an apocalyptic number.

It is an amenable number.

2827281 is a deficient number, since it is larger than the sum of its proper divisors (1044463).

2827281 is a wasteful number, since it uses less digits than its factorization.

2827281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25511.

The product of its digits is 3584, while the sum is 30.

The square root of 2827281 is about 1681.4520510559. The cubic root of 2827281 is about 141.4022515775.

Subtracting from 2827281 its reverse (1827282), we obtain a palindrome (999999).

The spelling of 2827281 in words is "two million, eight hundred twenty-seven thousand, two hundred eighty-one".