2730965 has 24 divisors (see below), whose sum is σ = 3703320. Its totient is φ = 1926144.

The previous prime is 2730953. The next prime is 2730967. The reversal of 2730965 is 5690372.

It can be written as a sum of positive squares in 4 ways, for example, as 244036 + 2486929 = 494^2 + 1577^2 .

It is not a de Polignac number, because 2730965 - 2⁸ = 2730709 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 (2730967) 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 23 ways as a sum of consecutive naturals, for example, 30641 + ... + 30729.

It is an arithmetic number, because the mean of its divisors is an integer number (154305).

2^2730965 is an apocalyptic number.

It is an amenable number.

2730965 is a deficient number, since it is larger than the sum of its proper divisors (972355).

2730965 is a wasteful number, since it uses less digits than its factorization.

2730965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2730965 is about 1652.5631606689. The cubic root of 2730965 is about 139.7779643711. Note that the first 3 decimals are identical.

The spelling of 2730965 in words is "two million, seven hundred thirty thousand, nine hundred sixty-five".