2724863 has 4 divisors (see below), whose sum is σ = 2728320. Its totient is φ = 2721408.

The previous prime is 2724859. The next prime is 2724877. The reversal of 2724863 is 3684272.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2724863 - 2² = 2724859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724803) 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, 98 + ... + 2336.

It is an arithmetic number, because the mean of its divisors is an integer number (682080).

2^2724863 is an apocalyptic number.

2724863 is a deficient number, since it is larger than the sum of its proper divisors (3457).

2724863 is a wasteful number, since it uses less digits than its factorization.

2724863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its digits is 16128, while the sum is 32.

The square root of 2724863 is about 1650.7159052969. The cubic root of 2724863 is about 139.6737812735.

The spelling of 2724863 in words is "two million, seven hundred twenty-four thousand, eight hundred sixty-three".