28559976 has 16 divisors (see below), whose sum is σ = 71400000. Its totient is φ = 9519984.

The previous prime is 28559969. The next prime is 28559977. The reversal of 28559976 is 67995582.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28559977) 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 3 ways as a sum of consecutive naturals, for example, 594976 + ... + 595023.

It is an arithmetic number, because the mean of its divisors is an integer number (4462500).

Almost surely, 2^28559976 is an apocalyptic number.

It is an amenable number.

28559976 is an abundant number, since it is smaller than the sum of its proper divisors (42840024).

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

28559976 is a wasteful number, since it uses less digits than its factorization.

28559976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190008 (or 1190004 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 28559976 is about 5344.1534409109. The cubic root of 28559976 is about 305.6698562471.

The spelling of 28559976 in words is "twenty-eight million, five hundred fifty-nine thousand, nine hundred seventy-six".