28986192 has 60 divisors (see below), whose sum is σ = 81965364. Its totient is φ = 9561600.

The previous prime is 28986151. The next prime is 28986211. The reversal of 28986192 is 29168982.

28986192 is a `hidden beast` number, since 28 + 9 + 8 + 619 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 3825936 = 5016^2 + 1956^2 .

It is a nude number because it is divisible by every one of its digits.

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, 13548 + ... + 15540.

Almost surely, 2^28986192 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 28986192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40982682).

28986192 is an abundant number, since it is smaller than the sum of its proper divisors (52979172).

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

28986192 is a wasteful number, since it uses less digits than its factorization.

28986192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2099 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 28986192 is about 5383.8826138763. The cubic root of 28986192 is about 307.1829132749.

The spelling of 28986192 in words is "twenty-eight million, nine hundred eighty-six thousand, one hundred ninety-two".