2728601 has 4 divisors (see below), whose sum is σ = 2767104. Its totient is φ = 2690100.

The previous prime is 2728577. The next prime is 2728603. The reversal of 2728601 is 1068272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2728601 - 2¹⁰ = 2727577 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19145 + ... + 19286.

It is an arithmetic number, because the mean of its divisors is an integer number (691776).

2^2728601 is an apocalyptic number.

It is an amenable number.

2728601 is a deficient number, since it is larger than the sum of its proper divisors (38503).

2728601 is an equidigital number, since it uses as much as digits as its factorization.

2728601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38502.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2728601 is about 1651.8477532751. The cubic root of 2728601 is about 139.7376208176.

The spelling of 2728601 in words is "two million, seven hundred twenty-eight thousand, six hundred one".