28842112 has 32 divisors (see below), whose sum is σ = 61882380. Its totient is φ = 13310976.

The previous prime is 28842103. The next prime is 28842119. The reversal of 28842112 is 21124882.

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 6031936 = 4776^2 + 2456^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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

It is not an unprimeable number, because it can be changed into a prime (28842119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7003 + ... + 10330.

Almost surely, 2^28842112 is an apocalyptic number.

It is an amenable number.

28842112 is an abundant number, since it is smaller than the sum of its proper divisors (33040268).

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

28842112 is a wasteful number, since it uses less digits than its factorization.

28842112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17360 (or 17348 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 28842112 is about 5370.4852667147. The cubic root of 28842112 is about 306.6731021544.

Adding to 28842112 its reverse (21124882), we get a palindrome (49966994).

The spelling of 28842112 in words is "twenty-eight million, eight hundred forty-two thousand, one hundred twelve".