28232548 has 12 divisors (see below), whose sum is σ = 49472892. Its totient is φ = 14097440.

The previous prime is 28232543. The next prime is 28232551. The reversal of 28232548 is 84523282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13853284 + 14379264 = 3722^2 + 3792^2 .

It is not an unprimeable number, because it can be changed into a prime (28232543) 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, 1015 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (4122741).

Almost surely, 2^28232548 is an apocalyptic number.

It is an amenable number.

28232548 is a deficient number, since it is larger than the sum of its proper divisors (21240344).

28232548 is a wasteful number, since it uses less digits than its factorization.

28232548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422 (or 9420 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 28232548 is about 5313.4309066741. The cubic root of 28232548 is about 304.4972385322.

The spelling of 28232548 in words is "twenty-eight million, two hundred thirty-two thousand, five hundred forty-eight".