28048716 has 18 divisors (see below), whose sum is σ = 70901012. Its totient is φ = 9349560.

The previous prime is 28048711. The next prime is 28048721. The reversal of 28048716 is 61784082.

It is an interprime number because it is at equal distance from previous prime (28048711) and next prime (28048721).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 779131 = 28048716 / (2 + 8 + 0 + 4 + 8 + 7 + 1 + 6).

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 5 ways as a sum of consecutive naturals, for example, 389530 + ... + 389601.

Almost surely, 2^28048716 is an apocalyptic number.

It is an amenable number.

28048716 is an abundant number, since it is smaller than the sum of its proper divisors (42852296).

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

28048716 is a wasteful number, since it uses less digits than its factorization.

28048716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779141 (or 779136 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28048716 is about 5296.1038509455. The cubic root of 28048716 is about 303.8349028525.

The spelling of 28048716 in words is "twenty-eight million, forty-eight thousand, seven hundred sixteen".