2728895 has 8 divisors (see below), whose sum is σ = 3526656. Its totient is φ = 2015136.

The previous prime is 2728889. The next prime is 2728907. The reversal of 2728895 is 5988272.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2728895 - 2¹⁶ = 2663359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20927 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (440832).

2^2728895 is an apocalyptic number.

2728895 is a deficient number, since it is larger than the sum of its proper divisors (797761).

2728895 is a wasteful number, since it uses less digits than its factorization.

2728895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42001.

The product of its digits is 80640, while the sum is 41.

The square root of 2728895 is about 1651.9367421303. The cubic root of 2728895 is about 139.7426394315.

The spelling of 2728895 in words is "two million, seven hundred twenty-eight thousand, eight hundred ninety-five".