2730489 has 16 divisors (see below), whose sum is σ = 3961728. Its totient is φ = 1665792.

The previous prime is 2730487. The next prime is 2730493. The reversal of 2730489 is 9840372.

It is not a de Polignac number, because 2730489 - 2¹ = 2730487 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164 + ... + 2610.

It is an arithmetic number, because the mean of its divisors is an integer number (247608).

2^2730489 is an apocalyptic number.

It is an amenable number.

2730489 is a deficient number, since it is larger than the sum of its proper divisors (1231239).

2730489 is a wasteful number, since it uses less digits than its factorization.

2730489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2730489 is about 1652.4191356917. The cubic root of 2730489 is about 139.7698429224.

The spelling of 2730489 in words is "two million, seven hundred thirty thousand, four hundred eighty-nine".