2736865 has 4 divisors (see below), whose sum is σ = 3284244. Its totient is φ = 2189488.

The previous prime is 2736863. The next prime is 2736869. The reversal of 2736865 is 5686372.

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 1430416 + 1306449 = 1196^2 + 1143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2736865 - 2¹ = 2736863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2736863) 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, 273682 + ... + 273691.

It is an arithmetic number, because the mean of its divisors is an integer number (821061).

2^2736865 is an apocalyptic number.

It is an amenable number.

2736865 is a deficient number, since it is larger than the sum of its proper divisors (547379).

2736865 is an equidigital number, since it uses as much as digits as its factorization.

2736865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547378.

The product of its digits is 60480, while the sum is 37.

The square root of 2736865 is about 1654.3473033193. The cubic root of 2736865 is about 139.8785511371.

The spelling of 2736865 in words is "two million, seven hundred thirty-six thousand, eight hundred sixty-five".