28059444 has 36 divisors (see below), whose sum is σ = 81061344. Its totient is φ = 8016912.

The previous prime is 28059407. The next prime is 28059463. The reversal of 28059444 is 44495082.

28059444 is a `hidden beast` number, since 28 + 0 + 594 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 28059399 and 28059408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55422 + ... + 55925.

It is an arithmetic number, because the mean of its divisors is an integer number (2251704).

Almost surely, 2^28059444 is an apocalyptic number.

It is an amenable number.

28059444 is an abundant number, since it is smaller than the sum of its proper divisors (53001900).

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

28059444 is a wasteful number, since it uses less digits than its factorization.

28059444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111364 (or 111359 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28059444 is about 5297.1165741373. The cubic root of 28059444 is about 303.8736345763.

The spelling of 28059444 in words is "twenty-eight million, fifty-nine thousand, four hundred forty-four".