2728282 has 4 divisors (see below), whose sum is σ = 4092426. Its totient is φ = 1364140.

The previous prime is 2728277. The next prime is 2728289. The reversal of 2728282 is 2828272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 68121 = 1631^2 + 261^2 .

It is not an unprimeable number, because it can be changed into a prime (2728289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682069 + ... + 682072.

2^2728282 is an apocalyptic number.

2728282 is a deficient number, since it is larger than the sum of its proper divisors (1364144).

2728282 is a wasteful number, since it uses less digits than its factorization.

2728282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364143.

The product of its digits is 7168, while the sum is 31.

The square root of 2728282 is about 1651.7511919172. The cubic root of 2728282 is about 139.7321750429.

The spelling of 2728282 in words is "two million, seven hundred twenty-eight thousand, two hundred eighty-two".