28559064 has 32 divisors (see below), whose sum is σ = 71677440. Its totient is φ = 9482400.

The previous prime is 28559051. The next prime is 28559081. The reversal of 28559064 is 46095582.

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, 4309 + ... + 8699.

It is an arithmetic number, because the mean of its divisors is an integer number (2239920).

Almost surely, 2^28559064 is an apocalyptic number.

28559064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28559064 is an abundant number, since it is smaller than the sum of its proper divisors (43118376).

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

28559064 is a wasteful number, since it uses less digits than its factorization.

28559064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 28559064 is about 5344.0681133384. The cubic root of 28559064 is about 305.6666025810. Note that the first 4 decimals are identical.

The spelling of 28559064 in words is "twenty-eight million, five hundred fifty-nine thousand, sixty-four".