28535548 has 12 divisors (see below), whose sum is σ = 52108560. Its totient is φ = 13647392.

The previous prime is 28535543. The next prime is 28535567. The reversal of 28535548 is 84553582.

It is a self number, because there is not a number n which added to its sum of digits gives 28535548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28535543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154993 + ... + 155176.

It is an arithmetic number, because the mean of its divisors is an integer number (4342380).

Almost surely, 2^28535548 is an apocalyptic number.

It is an amenable number.

28535548 is a deficient number, since it is larger than the sum of its proper divisors (23573012).

28535548 is a wasteful number, since it uses less digits than its factorization.

28535548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310196 (or 310194 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 28535548 is about 5341.8674637246. The cubic root of 28535548 is about 305.5826825846.

The spelling of 28535548 in words is "twenty-eight million, five hundred thirty-five thousand, five hundred forty-eight".