28350093 has 8 divisors (see below), whose sum is σ = 38190208. Its totient is φ = 18705024.

The previous prime is 28350079. The next prime is 28350097. The reversal of 28350093 is 39005382.

It is a happy number.

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

It is not a de Polignac number, because 28350093 - 2⁸ = 28349837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28350093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28350097) 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, 48421 + ... + 49002.

It is an arithmetic number, because the mean of its divisors is an integer number (4773776).

Almost surely, 2^28350093 is an apocalyptic number.

It is an amenable number.

28350093 is a deficient number, since it is larger than the sum of its proper divisors (9840115).

28350093 is an equidigital number, since it uses as much as digits as its factorization.

28350093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97523.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 28350093 is about 5324.4805380431. The cubic root of 28350093 is about 304.9192404651.

The spelling of 28350093 in words is "twenty-eight million, three hundred fifty thousand, ninety-three".