2721652 has 12 divisors (see below), whose sum is σ = 4808160. Its totient is φ = 1347896.

The previous prime is 2721619. The next prime is 2721671. The reversal of 2721652 is 2561272.

2721652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

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 3 ways as a sum of consecutive naturals, for example, 2752 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

2^2721652 is an apocalyptic number.

It is an amenable number.

2721652 is a deficient number, since it is larger than the sum of its proper divisors (2086508).

2721652 is a wasteful number, since it uses less digits than its factorization.

2721652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6468 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 2721652 is about 1649.7430102898. The cubic root of 2721652 is about 139.6188954809.

The spelling of 2721652 in words is "two million, seven hundred twenty-one thousand, six hundred fifty-two".