28024336 has 20 divisors (see below), whose sum is σ = 54798700. Its totient is φ = 13882752.

The previous prime is 28024331. The next prime is 28024349. The reversal of 28024336 is 63342082.

It can be written as a sum of positive squares in 2 ways, for example, as 13278736 + 14745600 = 3644^2 + 3840^2 .

It is not an unprimeable number, because it can be changed into a prime (28024331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6291 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (2739935).

Almost surely, 2^28024336 is an apocalyptic number.

It is an amenable number.

28024336 is a deficient number, since it is larger than the sum of its proper divisors (26774364).

28024336 is a wasteful number, since it uses less digits than its factorization.

28024336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186 (or 16180 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 28024336 is about 5293.8016585437. The cubic root of 28024336 is about 303.7468460329.

The spelling of 28024336 in words is "twenty-eight million, twenty-four thousand, three hundred thirty-six".