28337748 has 24 divisors (see below), whose sum is σ = 68996928. Its totient is φ = 9035136.

The previous prime is 28337747. The next prime is 28337761. The reversal of 28337748 is 84773382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28337741) 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 7 ways as a sum of consecutive naturals, for example, 51061 + ... + 51612.

It is an arithmetic number, because the mean of its divisors is an integer number (2874872).

Almost surely, 2^28337748 is an apocalyptic number.

It is an amenable number.

28337748 is an abundant number, since it is smaller than the sum of its proper divisors (40659180).

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

28337748 is a wasteful number, since it uses less digits than its factorization.

28337748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102703 (or 102701 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 28337748 is about 5323.3211437974. The cubic root of 28337748 is about 304.8749751837.

The spelling of 28337748 in words is "twenty-eight million, three hundred thirty-seven thousand, seven hundred forty-eight".