2747983 has 4 divisors (see below), whose sum is σ = 3140560. Its totient is φ = 2355408.

The previous prime is 2747977. The next prime is 2748013. The reversal of 2747983 is 3897472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2747983 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 (2747903) 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, 196278 + ... + 196291.

It is an arithmetic number, because the mean of its divisors is an integer number (785140).

2^2747983 is an apocalyptic number.

2747983 is a deficient number, since it is larger than the sum of its proper divisors (392577).

2747983 is an equidigital number, since it uses as much as digits as its factorization.

2747983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392576.

The product of its digits is 84672, while the sum is 40.

The square root of 2747983 is about 1657.7041352425. The cubic root of 2747983 is about 140.0677053470.

The spelling of 2747983 in words is "two million, seven hundred forty-seven thousand, nine hundred eighty-three".