2728626 has 16 divisors (see below), whose sum is σ = 5488128. Its totient is φ = 904400.

The previous prime is 2728603. The next prime is 2728631. The reversal of 2728626 is 6268272.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 2336.

It is an arithmetic number, because the mean of its divisors is an integer number (343008).

2^2728626 is an apocalyptic number.

2728626 is an abundant number, since it is smaller than the sum of its proper divisors (2759502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2728626 is a wasteful number, since it uses less digits than its factorization.

2728626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its digits is 16128, while the sum is 33.

The square root of 2728626 is about 1651.8553205411. The cubic root of 2728626 is about 139.7380475845.

The spelling of 2728626 in words is "two million, seven hundred twenty-eight thousand, six hundred twenty-six".