28048713 has 64 divisors (see below), whose sum is σ = 49766400. Its totient is φ = 13628160.

The previous prime is 28048711. The next prime is 28048721. The reversal of 28048713 is 31784082.

It is not a de Polignac number, because 28048713 - 2¹ = 28048711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28048711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 355008 + ... + 355086.

It is an arithmetic number, because the mean of its divisors is an integer number (777600).

Almost surely, 2^28048713 is an apocalyptic number.

It is an amenable number.

28048713 is a deficient number, since it is larger than the sum of its proper divisors (21717687).

28048713 is a wasteful number, since it uses less digits than its factorization.

28048713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28048713 is about 5296.1035677184. The cubic root of 28048713 is about 303.8348920201.

The spelling of 28048713 in words is "twenty-eight million, forty-eight thousand, seven hundred thirteen".