28653080 has 32 divisors (see below), whose sum is σ = 65845440. Its totient is φ = 11216640.

The previous prime is 28653077. The next prime is 28653089. The reversal of 28653080 is 8035682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5741 + ... + 9500.

It is an arithmetic number, because the mean of its divisors is an integer number (2057670).

Almost surely, 2^28653080 is an apocalyptic number.

28653080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28653080 is an abundant number, since it is smaller than the sum of its proper divisors (37192360).

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

28653080 is a wasteful number, since it uses less digits than its factorization.

28653080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15299 (or 15295 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 28653080 is about 5352.8571809829. The cubic root of 28653080 is about 306.0016517774.

The spelling of 28653080 in words is "twenty-eight million, six hundred fifty-three thousand, eighty".