28485835 has 16 divisors (see below), whose sum is σ = 39278016. Its totient is φ = 19427328.

The previous prime is 28485811. The next prime is 28485851. The reversal of 28485835 is 53858482.

It is a cyclic number.

It is not a de Polignac number, because 28485835 - 2⁵ = 28485803 is a prime.

It is a super-2 number, since 2×28485835² = 1622885591294450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28485791 and 28485800.

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 15 ways as a sum of consecutive naturals, for example, 4647 + ... + 8863.

It is an arithmetic number, because the mean of its divisors is an integer number (2454876).

Almost surely, 2^28485835 is an apocalyptic number.

28485835 is a deficient number, since it is larger than the sum of its proper divisors (10792181).

28485835 is a wasteful number, since it uses less digits than its factorization.

28485835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422.

The product of its digits is 307200, while the sum is 43.

The square root of 28485835 is about 5337.2122873275. The cubic root of 28485835 is about 305.4051232081.

The spelling of 28485835 in words is "twenty-eight million, four hundred eighty-five thousand, eight hundred thirty-five".