28336735 has 16 divisors (see below), whose sum is σ = 39108096. Its totient is φ = 19307808.

The previous prime is 28336691. The next prime is 28336751. The reversal of 28336735 is 53763382.

It is a cyclic number.

It is not a de Polignac number, because 28336735 - 2¹³ = 28328543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28336694 and 28336703.

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 15 ways as a sum of consecutive naturals, for example, 3222 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (2444256).

Almost surely, 2^28336735 is an apocalyptic number.

28336735 is a deficient number, since it is larger than the sum of its proper divisors (10771361).

28336735 is a wasteful number, since it uses less digits than its factorization.

28336735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142.

The product of its digits is 90720, while the sum is 37.

The square root of 28336735 is about 5323.2259955782. The cubic root of 28336735 is about 304.8713423141.

The spelling of 28336735 in words is "twenty-eight million, three hundred thirty-six thousand, seven hundred thirty-five".