28102433 has 8 divisors (see below), whose sum is σ = 28692480. Its totient is φ = 27518400.

The previous prime is 28102427. The next prime is 28102441. The reversal of 28102433 is 33420182.

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 28102433 - 2¹⁴ = 28086049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28102399 and 28102408.

It is not an unprimeable number, because it can be changed into a prime (28102453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8633 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (3586560).

Almost surely, 2^28102433 is an apocalyptic number.

It is an amenable number.

28102433 is a deficient number, since it is larger than the sum of its proper divisors (590047).

28102433 is a wasteful number, since it uses less digits than its factorization.

28102433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28102433 is about 5301.1727947691. The cubic root of 28102433 is about 304.0287405018.

The spelling of 28102433 in words is "twenty-eight million, one hundred two thousand, four hundred thirty-three".