28675130 has 32 divisors (see below), whose sum is σ = 57094848. Its totient is φ = 10281600.

The previous prime is 28675117. The next prime is 28675139. The reversal of 28675130 is 3157682.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28675139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6245 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (1784214).

Almost surely, 2^28675130 is an apocalyptic number.

28675130 is a deficient number, since it is larger than the sum of its proper divisors (28419718).

28675130 is a wasteful number, since it uses less digits than its factorization.

28675130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 28675130 is about 5354.9164325879. The cubic root of 28675130 is about 306.0801262539.

It can be divided in two parts, 2867 and 5130, that added together give a palindrome (7997).

The spelling of 28675130 in words is "twenty-eight million, six hundred seventy-five thousand, one hundred thirty".