2728550 has 48 divisors (see below), whose sum is σ = 5718384. Its totient is φ = 968000.

The previous prime is 2728549. The next prime is 2728553. The reversal of 2728550 is 558272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66530 + ... + 66570.

It is an arithmetic number, because the mean of its divisors is an integer number (119133).

2^2728550 is an apocalyptic number.

2728550 is an abundant number, since it is smaller than the sum of its proper divisors (2989834).

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

2728550 is a wasteful number, since it uses less digits than its factorization.

2728550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2728550 is about 1651.8323159449. The cubic root of 2728550 is about 139.7367502050.

The spelling of 2728550 in words is "two million, seven hundred twenty-eight thousand, five hundred fifty".