2728533 has 8 divisors (see below), whose sum is σ = 3829600. Its totient is φ = 1723248.

The previous prime is 2728519. The next prime is 2728541. The reversal of 2728533 is 3358272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2728533 - 2⁸ = 2728277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2728533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23878 + ... + 23991.

It is an arithmetic number, because the mean of its divisors is an integer number (478700).

2^2728533 is an apocalyptic number.

It is an amenable number.

2728533 is a deficient number, since it is larger than the sum of its proper divisors (1101067).

2728533 is a wasteful number, since it uses less digits than its factorization.

2728533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47891.

The product of its digits is 10080, while the sum is 30.

The square root of 2728533 is about 1651.8271701361. The cubic root of 2728533 is about 139.7364599984.

The spelling of 2728533 in words is "two million, seven hundred twenty-eight thousand, five hundred thirty-three".