28534104 has 48 divisors (see below), whose sum is σ = 79375920. Its totient is φ = 9253440.

The previous prime is 28534091. The next prime is 28534133. The reversal of 28534104 is 40143582.

28534104 is a `hidden beast` number, since 28 + 534 + 104 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2692 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (1653665).

Almost surely, 2^28534104 is an apocalyptic number.

28534104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28534104 is an abundant number, since it is smaller than the sum of its proper divisors (50841816).

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

28534104 is a wasteful number, since it uses less digits than its factorization.

28534104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760 (or 10753 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 28534104 is about 5341.7323032889. The cubic root of 28534104 is about 305.5775279749.

Adding to 28534104 its reverse (40143582), we get a palindrome (68677686).

The spelling of 28534104 in words is "twenty-eight million, five hundred thirty-four thousand, one hundred four".