28306094 has 8 divisors (see below), whose sum is σ = 42936480. Its totient is φ = 13993936.

The previous prime is 28306039. The next prime is 28306111. The reversal of 28306094 is 49060382.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28306094.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 79334 + ... + 79689.

It is an arithmetic number, because the mean of its divisors is an integer number (5367060).

Almost surely, 2^28306094 is an apocalyptic number.

28306094 is a deficient number, since it is larger than the sum of its proper divisors (14630386).

28306094 is a wasteful number, since it uses less digits than its factorization.

28306094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159114.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28306094 is about 5320.3471691235. The cubic root of 28306094 is about 304.7614151367.

The spelling of 28306094 in words is "twenty-eight million, three hundred six thousand, ninety-four".