28465548 has 24 divisors (see below), whose sum is σ = 70327152. Its totient is φ = 8930304.

The previous prime is 28465529. The next prime is 28465561. The reversal of 28465548 is 84556482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69565 + ... + 69972.

It is an arithmetic number, because the mean of its divisors is an integer number (2930298).

Almost surely, 2^28465548 is an apocalyptic number.

It is an amenable number.

28465548 is an abundant number, since it is smaller than the sum of its proper divisors (41861604).

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

28465548 is a wasteful number, since it uses less digits than its factorization.

28465548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139561 (or 139559 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 28465548 is about 5335.3114248374. The cubic root of 28465548 is about 305.3326049999.

The spelling of 28465548 in words is "twenty-eight million, four hundred sixty-five thousand, five hundred forty-eight".