28671016 has 16 divisors (see below), whose sum is σ = 58645440. Its totient is φ = 13032240.

The previous prime is 28671011. The next prime is 28671017. The reversal of 28671016 is 61017682.

It is not an unprimeable number, because it can be changed into a prime (28671011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162816 + ... + 162991.

It is an arithmetic number, because the mean of its divisors is an integer number (3665340).

Almost surely, 2^28671016 is an apocalyptic number.

It is an amenable number.

28671016 is an abundant number, since it is smaller than the sum of its proper divisors (29974424).

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

28671016 is a wasteful number, since it uses less digits than its factorization.

28671016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325824 (or 325820 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 28671016 is about 5354.5322858304. The cubic root of 28671016 is about 306.0654878563.

Adding to 28671016 its reverse (61017682), we get a palindrome (89688698).

It can be divided in two parts, 2867 and 1016, that added together give a palindrome (3883).

The spelling of 28671016 in words is "twenty-eight million, six hundred seventy-one thousand, sixteen".