28038635 has 8 divisors (see below), whose sum is σ = 33762960. Its totient is φ = 22353184.

The previous prime is 28038611. The next prime is 28038653. The reversal of 28038635 is 53683082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28038635 - 2¹⁴ = 28022251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28038595 and 28038604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8105 + ... + 11034.

It is an arithmetic number, because the mean of its divisors is an integer number (4220370).

Almost surely, 2^28038635 is an apocalyptic number.

28038635 is a deficient number, since it is larger than the sum of its proper divisors (5724325).

28038635 is a wasteful number, since it uses less digits than its factorization.

28038635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19437.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 28038635 is about 5295.1520280347. The cubic root of 28038635 is about 303.7984980169.

The spelling of 28038635 in words is "twenty-eight million, thirty-eight thousand, six hundred thirty-five".