28650024 has 160 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 8304768.

The previous prime is 28650007. The next prime is 28650047. The reversal of 28650024 is 42005682.

28650024 is a `hidden beast` number, since 2 + 8 + 650 + 0 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 28650024.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 159967 + ... + 160145.

It is an arithmetic number, because the mean of its divisors is an integer number (571725).

Almost surely, 2^28650024 is an apocalyptic number.

28650024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28650024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45738000).

28650024 is an abundant number, since it is smaller than the sum of its proper divisors (62825976).

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

28650024 is a wasteful number, since it uses less digits than its factorization.

28650024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 28650024 is about 5352.5717183425. The cubic root of 28650024 is about 305.9907725014.

The spelling of 28650024 in words is "twenty-eight million, six hundred fifty thousand, twenty-four".