28559946 has 16 divisors (see below), whose sum is σ = 57359808. Its totient is φ = 9480000.

The previous prime is 28559941. The next prime is 28559969. The reversal of 28559946 is 64995582.

It is a junction number, because it is equal to n+sod(n) for n = 28559895 and 28559904.

It is not an unprimeable number, because it can be changed into a prime (28559941) 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 7 ways as a sum of consecutive naturals, for example, 8430 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (3584988).

Almost surely, 2^28559946 is an apocalyptic number.

28559946 is an abundant number, since it is smaller than the sum of its proper divisors (28799862).

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

28559946 is a wasteful number, since it uses less digits than its factorization.

28559946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997.

The product of its digits is 777600, while the sum is 48.

The square root of 28559946 is about 5344.1506341045. The cubic root of 28559946 is about 305.6697492197.

The spelling of 28559946 in words is "twenty-eight million, five hundred fifty-nine thousand, nine hundred forty-six".