28624068 has 108 divisors (see below), whose sum is σ = 82786704. Its totient is φ = 8265600.

The previous prime is 28624033. The next prime is 28624087. The reversal of 28624068 is 86042682.

28624068 is a `hidden beast` number, since 28 + 624 + 0 + 6 + 8 = 666.

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

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 35 ways as a sum of consecutive naturals, for example, 665655 + ... + 665697.

Almost surely, 2^28624068 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 28624068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41393352).

28624068 is an abundant number, since it is smaller than the sum of its proper divisors (54162636).

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

28624068 is a wasteful number, since it uses less digits than its factorization.

28624068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 28624068 is about 5350.1465400492. The cubic root of 28624068 is about 305.8983386500.

The spelling of 28624068 in words is "twenty-eight million, six hundred twenty-four thousand, sixty-eight".