28680954 has 16 divisors (see below), whose sum is σ = 59856192. Its totient is φ = 9144608.

The previous prime is 28680941. The next prime is 28680959. The reversal of 28680954 is 45908682.

It is not an unprimeable number, because it can be changed into a prime (28680959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103779 + ... + 104054.

It is an arithmetic number, because the mean of its divisors is an integer number (3741012).

Almost surely, 2^28680954 is an apocalyptic number.

28680954 is an abundant number, since it is smaller than the sum of its proper divisors (31175238).

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

28680954 is a wasteful number, since it uses less digits than its factorization.

28680954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207861.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28680954 is about 5355.4602043148. The cubic root of 28680954 is about 306.1008467642.

The spelling of 28680954 in words is "twenty-eight million, six hundred eighty thousand, nine hundred fifty-four".