2728862 has 4 divisors (see below), whose sum is σ = 4093296. Its totient is φ = 1364430.

The previous prime is 2728853. The next prime is 2728877. The reversal of 2728862 is 2688272.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682214 + ... + 682217.

It is an arithmetic number, because the mean of its divisors is an integer number (1023324).

2^2728862 is an apocalyptic number.

2728862 is a deficient number, since it is larger than the sum of its proper divisors (1364434).

2728862 is a wasteful number, since it uses less digits than its factorization.

2728862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364433.

The product of its digits is 21504, while the sum is 35.

The square root of 2728862 is about 1651.9267538242. The cubic root of 2728862 is about 139.7420761356.

The spelling of 2728862 in words is "two million, seven hundred twenty-eight thousand, eight hundred sixty-two".