28753116 has 24 divisors (see below), whose sum is σ = 76675200. Its totient is φ = 8215152.

The previous prime is 28753093. The next prime is 28753121. The reversal of 28753116 is 61135782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171066 + ... + 171233.

It is an arithmetic number, because the mean of its divisors is an integer number (3194800).

Almost surely, 2^28753116 is an apocalyptic number.

It is an amenable number.

28753116 is an abundant number, since it is smaller than the sum of its proper divisors (47922084).

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

28753116 is a wasteful number, since it uses less digits than its factorization.

28753116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342313 (or 342311 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 28753116 is about 5362.1932080073. The cubic root of 28753116 is about 306.3573508981.

Adding to 28753116 its reverse (61135782), we get a palindrome (89888898).

The spelling of 28753116 in words is "twenty-eight million, seven hundred fifty-three thousand, one hundred sixteen".