28038048 has 48 divisors (see below), whose sum is σ = 74551680. Its totient is φ = 9225216.

The previous prime is 28038029. The next prime is 28038067. The reversal of 28038048 is 84083082.

It is an interprime number because it is at equal distance from previous prime (28038029) and next prime (28038067).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×28038048² = 1572264271300608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5736 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (1553160).

Almost surely, 2^28038048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28038048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37275840).

28038048 is an abundant number, since it is smaller than the sum of its proper divisors (46513632).

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

28038048 is a wasteful number, since it uses less digits than its factorization.

28038048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28038048 is about 5295.0965996854. The cubic root of 28038048 is about 303.7963779546.

The spelling of 28038048 in words is "twenty-eight million, thirty-eight thousand, forty-eight".