28283733 has 24 divisors (see below), whose sum is σ = 43459416. Its totient is φ = 17664000.

The previous prime is 28283719. The next prime is 28283741. The reversal of 28283733 is 33738282.

28283733 is a `hidden beast` number, since 282 + 8 + 373 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14311089 + 13972644 = 3783^2 + 3738^2 .

It is not a de Polignac number, because 28283733 - 2⁶ = 28283669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28283743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61123 + ... + 61583.

It is an arithmetic number, because the mean of its divisors is an integer number (1810809).

Almost surely, 2^28283733 is an apocalyptic number.

It is an amenable number.

28283733 is a deficient number, since it is larger than the sum of its proper divisors (15175683).

28283733 is a wasteful number, since it uses less digits than its factorization.

28283733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 882 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 28283733 is about 5318.2452933275. The cubic root of 28283733 is about 304.6811430784.

It can be divided in two parts, 2828 and 3733, that added together give a 8-th power (6561 = 3⁸).

The spelling of 28283733 in words is "twenty-eight million, two hundred eighty-three thousand, seven hundred thirty-three".