28087050 has 48 divisors (see below), whose sum is σ = 71370432. Its totient is φ = 7305600.

The previous prime is 28087049. The next prime is 28087061. The reversal of 28087050 is 5078082.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 28086999 and 28087017.

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 23 ways as a sum of consecutive naturals, for example, 3867 + ... + 8433.

It is an arithmetic number, because the mean of its divisors is an integer number (1486884).

Almost surely, 2^28087050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28087050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35685216).

28087050 is an abundant number, since it is smaller than the sum of its proper divisors (43283382).

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

28087050 is a wasteful number, since it uses less digits than its factorization.

28087050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 28087050 is about 5299.7216908060. The cubic root of 28087050 is about 303.9732562461.

The spelling of 28087050 in words is "twenty-eight million, eighty-seven thousand, fifty".