2730864 has 20 divisors (see below), whose sum is σ = 7054856. Its totient is φ = 910272.

The previous prime is 2730823. The next prime is 2730869. The reversal of 2730864 is 4680372.

2730864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28399 + ... + 28494.

2^2730864 is an apocalyptic number.

2730864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2730864 is an abundant number, since it is smaller than the sum of its proper divisors (4323992).

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

2730864 is a wasteful number, since it uses less digits than its factorization.

2730864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56904 (or 56898 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2730864 is about 1652.5326017964. The cubic root of 2730864 is about 139.7762412014.

It can be divided in two parts, 27308 and 64, that added together give a palindrome (27372).

The spelling of 2730864 in words is "two million, seven hundred thirty thousand, eight hundred sixty-four".