2728957 has 24 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 2066400.

The previous prime is 2728939. The next prime is 2728967. The reversal of 2728957 is 7598272.

It is not a de Polignac number, because 2728957 - 2¹⁵ = 2696189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32838 + ... + 32920.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^2728957 is an apocalyptic number.

It is an amenable number.

2728957 is a deficient number, since it is larger than the sum of its proper divisors (833315).

2728957 is a wasteful number, since it uses less digits than its factorization.

2728957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 162 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 2728957 is about 1651.9555078754. The cubic root of 2728957 is about 139.7436977326.

It can be divided in two parts, 272 and 8957, that added together give a palindrome (9229).

The spelling of 2728957 in words is "two million, seven hundred twenty-eight thousand, nine hundred fifty-seven".