2724864 has 44 divisors (see below), whose sum is σ = 7270944. Its totient is φ = 907264.

The previous prime is 2724859. The next prime is 2724877. The reversal of 2724864 is 4684272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2629 + ... + 3515.

2^2724864 is an apocalyptic number.

2724864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2724864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635472).

2724864 is an abundant number, since it is smaller than the sum of its proper divisors (4546080).

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

2724864 is an equidigital number, since it uses as much as digits as its factorization.

2724864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 892 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2724864 is about 1650.7162081957. The cubic root of 2724864 is about 139.6737983598.

The spelling of 2724864 in words is "two million, seven hundred twenty-four thousand, eight hundred sixty-four".