2731488 has 48 divisors (see below), whose sum is σ = 7373520. Its totient is φ = 884736.

The previous prime is 2731429. The next prime is 2731493. The reversal of 2731488 is 8841372.

2731488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2731488² = 14922053388288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (153615).

2^2731488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3686760).

2731488 is an abundant number, since it is smaller than the sum of its proper divisors (4642032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731488 is a wasteful number, since it uses less digits than its factorization.

2731488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 811 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 2731488 is about 1652.7213921288. The cubic root of 2731488 is about 139.7868866396.

The spelling of 2731488 in words is "two million, seven hundred thirty-one thousand, four hundred eighty-eight".