28748352 has 28 divisors (see below), whose sum is σ = 76063856. Its totient is φ = 9582720.

The previous prime is 28748347. The next prime is 28748353. The reversal of 28748352 is 25384782.

It is a self number, because there is not a number n which added to its sum of digits gives 28748352.

It is not an unprimeable number, because it can be changed into a prime (28748353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74674 + ... + 75057.

Almost surely, 2^28748352 is an apocalyptic number.

It is an amenable number.

28748352 is an abundant number, since it is smaller than the sum of its proper divisors (47315504).

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

28748352 is a wasteful number, since it uses less digits than its factorization.

28748352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149746 (or 149736 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 28748352 is about 5361.7489683871. The cubic root of 28748352 is about 306.3404302157.

The spelling of 28748352 in words is "twenty-eight million, seven hundred forty-eight thousand, three hundred fifty-two".