28324136 has 16 divisors (see below), whose sum is σ = 55903200. Its totient is φ = 13416624.

The previous prime is 28324133. The next prime is 28324139. The reversal of 28324136 is 63142382.

It is an interprime number because it is at equal distance from previous prime (28324133) and next prime (28324139).

It is a junction number, because it is equal to n+sod(n) for n = 28324099 and 28324108.

It is not an unprimeable number, because it can be changed into a prime (28324133) 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, 93020 + ... + 93323.

It is an arithmetic number, because the mean of its divisors is an integer number (3493950).

Almost surely, 2^28324136 is an apocalyptic number.

It is an amenable number.

28324136 is a deficient number, since it is larger than the sum of its proper divisors (27579064).

28324136 is a wasteful number, since it uses less digits than its factorization.

28324136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186368 (or 186364 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 28324136 is about 5322.0424650692. The cubic root of 28324136 is about 304.8261519343.

The spelling of 28324136 in words is "twenty-eight million, three hundred twenty-four thousand, one hundred thirty-six".