28465008 has 180 divisors, whose sum is σ = 90541080. Its totient is φ = 7687680.

The previous prime is 28465001. The next prime is 28465049. The reversal of 28465008 is 80056482.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 28465008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28465001) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 981538 + ... + 981566.

It is an arithmetic number, because the mean of its divisors is an integer number (503006).

Almost surely, 2^28465008 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 28465008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45270540).

28465008 is an abundant number, since it is smaller than the sum of its proper divisors (62076072).

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

28465008 is a wasteful number, since it uses less digits than its factorization.

28465008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 28465008 is about 5335.2608183668. The cubic root of 28465008 is about 305.3306742372.

The spelling of 28465008 in words is "twenty-eight million, four hundred sixty-five thousand, eight".