28010016 has 96 divisors (see below), whose sum is σ = 86546880. Its totient is φ = 8782848.

The previous prime is 28009981. The next prime is 28010053. The reversal of 28010016 is 61001082.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 13735 + ... + 15641.

It is an arithmetic number, because the mean of its divisors is an integer number (901530).

Almost surely, 2^28010016 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 28010016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43273440).

28010016 is an abundant number, since it is smaller than the sum of its proper divisors (58536864).

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

28010016 is a wasteful number, since it uses less digits than its factorization.

28010016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 28010016 is about 5292.4489605475. The cubic root of 28010016 is about 303.6951005796.

Adding to 28010016 its reverse (61001082), we get a palindrome (89011098).

It can be divided in two parts, 280 and 10016, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 28010016 in words is "twenty-eight million, ten thousand, sixteen".