2827009 has 4 divisors (see below), whose sum is σ = 2835504. Its totient is φ = 2818516.

The previous prime is 2826997. The next prime is 2827031. The reversal of 2827009 is 9007282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9007282 = 2 ⋅4503641.

It is a cyclic number.

It is not a de Polignac number, because 2827009 - 2¹³ = 2818817 is a prime.

It is a Duffinian number.

2827009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2827079) 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, 3727 + ... + 4420.

It is an arithmetic number, because the mean of its divisors is an integer number (708876).

2^2827009 is an apocalyptic number.

It is an amenable number.

2827009 is a deficient number, since it is larger than the sum of its proper divisors (8495).

2827009 is an equidigital number, since it uses as much as digits as its factorization.

2827009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2827009 is about 1681.3711666375. The cubic root of 2827009 is about 141.3977168736.

The spelling of 2827009 in words is "two million, eight hundred twenty-seven thousand, nine".