28334148 has 12 divisors (see below), whose sum is σ = 66113040. Its totient is φ = 9444712.

The previous prime is 28334143. The next prime is 28334161. The reversal of 28334148 is 84143382.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (28334143) 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, 1180578 + ... + 1180601.

It is an arithmetic number, because the mean of its divisors is an integer number (5509420).

Almost surely, 2^28334148 is an apocalyptic number.

It is an amenable number.

28334148 is an abundant number, since it is smaller than the sum of its proper divisors (37778892).

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

28334148 is a wasteful number, since it uses less digits than its factorization.

28334148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361186 (or 2361184 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 28334148 is about 5322.9829982821. The cubic root of 28334148 is about 304.8620642967.

It can be divided in two parts, 28334 and 148, that added together give a palindrome (28482).

The spelling of 28334148 in words is "twenty-eight million, three hundred thirty-four thousand, one hundred forty-eight".