2730829 has 4 divisors (see below), whose sum is σ = 2891484. Its totient is φ = 2570176.

The previous prime is 2730823. The next prime is 2730869. The reversal of 2730829 is 9280372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 1525225 = 1098^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730829 - 2⁵ = 2730797 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730823) 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, 80302 + ... + 80335.

It is an arithmetic number, because the mean of its divisors is an integer number (722871).

2^2730829 is an apocalyptic number.

It is an amenable number.

2730829 is a deficient number, since it is larger than the sum of its proper divisors (160655).

2730829 is a wasteful number, since it uses less digits than its factorization.

2730829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160654.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2730829 is about 1652.5220119563. The cubic root of 2730829 is about 139.7756440535.

The spelling of 2730829 in words is "two million, seven hundred thirty thousand, eight hundred twenty-nine".