28488268 has 12 divisors (see below), whose sum is σ = 50699880. Its totient is φ = 14002592.

The previous prime is 28488247. The next prime is 28488289. The reversal of 28488268 is 86288482.

It is an interprime number because it is at equal distance from previous prime (28488247) and next prime (28488289).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60121 + ... + 60592.

It is an arithmetic number, because the mean of its divisors is an integer number (4224990).

Almost surely, 2^28488268 is an apocalyptic number.

It is an amenable number.

28488268 is a deficient number, since it is larger than the sum of its proper divisors (22211612).

28488268 is a wasteful number, since it uses less digits than its factorization.

28488268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120776 (or 120774 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 28488268 is about 5337.4402104380. The cubic root of 28488268 is about 305.4138179332.

The spelling of 28488268 in words is "twenty-eight million, four hundred eighty-eight thousand, two hundred sixty-eight".