28318341 has 8 divisors (see below), whose sum is σ = 39745120. Its totient is φ = 17885232.

The previous prime is 28318321. The next prime is 28318343. The reversal of 28318341 is 14381382.

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

It is a de Polignac number, because none of the positive numbers 2^k-28318341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28318299 and 28318308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248350 + ... + 248463.

It is an arithmetic number, because the mean of its divisors is an integer number (4968140).

Almost surely, 2^28318341 is an apocalyptic number.

It is an amenable number.

28318341 is a deficient number, since it is larger than the sum of its proper divisors (11426779).

28318341 is a wasteful number, since it uses less digits than its factorization.

28318341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496835.

The product of its digits is 4608, while the sum is 30.

The square root of 28318341 is about 5321.4980033821. The cubic root of 28318341 is about 304.8053617970.

The spelling of 28318341 in words is "twenty-eight million, three hundred eighteen thousand, three hundred forty-one".