2728522 has 8 divisors (see below), whose sum is σ = 4188096. Its totient is φ = 1332492.

The previous prime is 2728519. The next prime is 2728541. The reversal of 2728522 is 2258272.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15778 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (523512).

2^2728522 is an apocalyptic number.

2728522 is a deficient number, since it is larger than the sum of its proper divisors (1459574).

2728522 is a wasteful number, since it uses less digits than its factorization.

2728522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31772.

The product of its digits is 4480, while the sum is 28.

The square root of 2728522 is about 1651.8238404866. The cubic root of 2728522 is about 139.7362722170.

The spelling of 2728522 in words is "two million, seven hundred twenty-eight thousand, five hundred twenty-two".