28653048 has 64 divisors (see below), whose sum is σ = 80388000. Its totient is φ = 9455616.

The previous prime is 28653029. The next prime is 28653049. The reversal of 28653048 is 84035682.

28653048 is a `hidden beast` number, since 2 + 86 + 530 + 48 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22936 + ... + 24152.

Almost surely, 2^28653048 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 28653048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40194000).

28653048 is an abundant number, since it is smaller than the sum of its proper divisors (51734952).

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

28653048 is a wasteful number, since it uses less digits than its factorization.

28653048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28653048 is about 5352.8541919242. The cubic root of 28653048 is about 306.0015378623.

The spelling of 28653048 in words is "twenty-eight million, six hundred fifty-three thousand, forty-eight".