2731384 has 8 divisors (see below), whose sum is σ = 5121360. Its totient is φ = 1365688.

The previous prime is 2731381. The next prime is 2731427. The reversal of 2731384 is 4831372.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170704 + ... + 170719.

It is an arithmetic number, because the mean of its divisors is an integer number (640170).

2^2731384 is an apocalyptic number.

It is an amenable number.

2731384 is a deficient number, since it is larger than the sum of its proper divisors (2389976).

2731384 is a wasteful number, since it uses less digits than its factorization.

2731384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341429 (or 341425 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2731384 is about 1652.6899285710. The cubic root of 2731384 is about 139.7851125125.

The spelling of 2731384 in words is "two million, seven hundred thirty-one thousand, three hundred eighty-four".