28167104 has 28 divisors (see below), whose sum is σ = 63879984. Its totient is φ = 12071424.

The previous prime is 28167103. The next prime is 28167119. The reversal of 28167104 is 40176182.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28167103) 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, 30989 + ... + 31884.

It is an arithmetic number, because the mean of its divisors is an integer number (2281428).

Almost surely, 2^28167104 is an apocalyptic number.

It is an amenable number.

28167104 is an abundant number, since it is smaller than the sum of its proper divisors (35712880).

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

28167104 is an equidigital number, since it uses as much as digits as its factorization.

28167104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62892 (or 62882 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 28167104 is about 5307.2689775439. The cubic root of 28167104 is about 304.2617782082.

The spelling of 28167104 in words is "twenty-eight million, one hundred sixty-seven thousand, one hundred four".