2728588621 has 32 divisors (see below), whose sum is σ = 3219543936. Its totient is φ = 2284800000.

The previous prime is 2728588591. The next prime is 2728588633. The reversal of 2728588621 is 1268858272.

2728588621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2728588621 - 2⁷ = 2728588493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728588691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2862681 + ... + 2863633.

It is an arithmetic number, because the mean of its divisors is an integer number (100610748).

Almost surely, 2^2728588621 is an apocalyptic number.

It is an amenable number.

2728588621 is a deficient number, since it is larger than the sum of its proper divisors (490955315).

2728588621 is a wasteful number, since it uses less digits than its factorization.

2728588621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 860160, while the sum is 49.

The square root of 2728588621 is about 52235.8939906268. The cubic root of 2728588621 is about 1397.3740949868.

The spelling of 2728588621 in words is "two billion, seven hundred twenty-eight million, five hundred eighty-eight thousand, six hundred twenty-one".