28679560 has 64 divisors (see below), whose sum is σ = 79430400. Its totient is φ = 9075456.

The previous prime is 28679549. The next prime is 28679587. The reversal of 28679560 is 6597682.

It is an unprimeable number.

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, 300 + ... + 7579.

It is an arithmetic number, because the mean of its divisors is an integer number (1241100).

Almost surely, 2^28679560 is an apocalyptic number.

28679560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28679560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39715200).

28679560 is an abundant number, since it is smaller than the sum of its proper divisors (50750840).

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

28679560 is a wasteful number, since it uses less digits than its factorization.

28679560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910 (or 7906 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 28679560 is about 5355.3300551880. The cubic root of 28679560 is about 306.0958874744.

The spelling of 28679560 in words is "twenty-eight million, six hundred seventy-nine thousand, five hundred sixty".