2728982 has 4 divisors (see below), whose sum is σ = 4093476. Its totient is φ = 1364490.

The previous prime is 2728981. The next prime is 2728997. The reversal of 2728982 is 2898272.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682244 + ... + 682247.

It is an arithmetic number, because the mean of its divisors is an integer number (1023369).

2^2728982 is an apocalyptic number.

2728982 is a deficient number, since it is larger than the sum of its proper divisors (1364494).

2728982 is a wasteful number, since it uses less digits than its factorization.

2728982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364493.

The product of its digits is 32256, while the sum is 38.

The square root of 2728982 is about 1651.9630746479. The cubic root of 2728982 is about 139.7441244624.

The spelling of 2728982 in words is "two million, seven hundred twenty-eight thousand, nine hundred eighty-two".