28284835 has 16 divisors (see below), whose sum is σ = 35611776. Its totient is φ = 21541248.

The previous prime is 28284833. The next prime is 28284847. The reversal of 28284835 is 53848282.

It is a cyclic number.

It is not a de Polignac number, because 28284835 - 2¹ = 28284833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28284833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7069 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (2225736).

Almost surely, 2^28284835 is an apocalyptic number.

28284835 is a deficient number, since it is larger than the sum of its proper divisors (7326941).

28284835 is a wasteful number, since it uses less digits than its factorization.

28284835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 122880, while the sum is 40.

The square root of 28284835 is about 5318.3488979194. The cubic root of 28284835 is about 304.6851000556.

The spelling of 28284835 in words is "twenty-eight million, two hundred eighty-four thousand, eight hundred thirty-five".