28853888 has 32 divisors (see below), whose sum is σ = 65696160. Its totient is φ = 12365568.

The previous prime is 28853887. The next prime is 28853893. The reversal of 28853888 is 88835882.

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

It is not an unprimeable number, because it can be changed into a prime (28853887) 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, 15206 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (2053005).

Almost surely, 2^28853888 is an apocalyptic number.

28853888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28853888 is an abundant number, since it is smaller than the sum of its proper divisors (36842272).

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

28853888 is an equidigital number, since it uses as much as digits as its factorization.

28853888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32224 (or 32212 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The square root of 28853888 is about 5371.5815175793. The cubic root of 28853888 is about 306.7148338540.

The spelling of 28853888 in words is "twenty-eight million, eight hundred fifty-three thousand, eight hundred eighty-eight".