2728624 has 10 divisors (see below), whose sum is σ = 5286740. Its totient is φ = 1364304.

The previous prime is 2728603. The next prime is 2728631. The reversal of 2728624 is 4268272.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85254 + ... + 85285.

It is an arithmetic number, because the mean of its divisors is an integer number (528674).

2^2728624 is an apocalyptic number.

It is an amenable number.

2728624 is a deficient number, since it is larger than the sum of its proper divisors (2558116).

2728624 is a wasteful number, since it uses less digits than its factorization.

2728624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170547 (or 170541 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 2728624 is about 1651.8547151611. The cubic root of 2728624 is about 139.7380134432.

The spelling of 2728624 in words is "two million, seven hundred twenty-eight thousand, six hundred twenty-four".