28059801 has 64 divisors (see below), whose sum is σ = 49612800. Its totient is φ = 13970880.

The previous prime is 28059769. The next prime is 28059803. The reversal of 28059801 is 10895082.

It is a happy number.

It is not a de Polignac number, because 28059801 - 2⁵ = 28059769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (28059803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 418770 + ... + 418836.

It is an arithmetic number, because the mean of its divisors is an integer number (775200).

Almost surely, 2^28059801 is an apocalyptic number.

28059801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28059801 is a deficient number, since it is larger than the sum of its proper divisors (21552999).

28059801 is a wasteful number, since it uses less digits than its factorization.

28059801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 28059801 is about 5297.1502716083. The cubic root of 28059801 is about 303.8749232978.

The spelling of 28059801 in words is "twenty-eight million, fifty-nine thousand, eight hundred one".