28535829 has 16 divisors (see below), whose sum is σ = 43776000. Its totient is φ = 16196400.

The previous prime is 28535813. The next prime is 28535839. The reversal of 28535829 is 92853582.

It is not a de Polignac number, because 28535829 - 2⁴ = 28535813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28535839) 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 15 ways as a sum of consecutive naturals, for example, 1329 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (2736000).

Almost surely, 2^28535829 is an apocalyptic number.

It is an amenable number.

28535829 is a deficient number, since it is larger than the sum of its proper divisors (15240171).

28535829 is a wasteful number, since it uses less digits than its factorization.

28535829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160.

The product of its digits is 172800, while the sum is 42.

The square root of 28535829 is about 5341.8937653233. The cubic root of 28535829 is about 305.5836856428.

The spelling of 28535829 in words is "twenty-eight million, five hundred thirty-five thousand, eight hundred twenty-nine".