2727389 has 6 divisors (see below), whose sum is σ = 3172734. Its totient is φ = 2337720.

The previous prime is 2727383. The next prime is 2727401. The reversal of 2727389 is 9837272.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 648025 = 1442^2 + 805^2 .

It is not a de Polignac number, because 2727389 - 2¹² = 2723293 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2727383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27782 + ... + 27879.

It is an arithmetic number, because the mean of its divisors is an integer number (528789).

2^2727389 is an apocalyptic number.

It is an amenable number.

2727389 is a deficient number, since it is larger than the sum of its proper divisors (445345).

2727389 is an equidigital number, since it uses as much as digits as its factorization.

2727389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55675 (or 55668 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 2727389 is about 1651.4808506307. The cubic root of 2727389 is about 139.7169280305.

The spelling of 2727389 in words is "two million, seven hundred twenty-seven thousand, three hundred eighty-nine".