28094847 has 8 divisors (see below), whose sum is σ = 40865280. Its totient is φ = 17027160.

The previous prime is 28094839. The next prime is 28094873. The reversal of 28094847 is 74849082.

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

It is not a de Polignac number, because 28094847 - 2³ = 28094839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28094799 and 28094808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28094837) 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, 425647 + ... + 425712.

It is an arithmetic number, because the mean of its divisors is an integer number (5108160).

Almost surely, 2^28094847 is an apocalyptic number.

28094847 is a deficient number, since it is larger than the sum of its proper divisors (12770433).

28094847 is a wasteful number, since it uses less digits than its factorization.

28094847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851373.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 28094847 is about 5300.4572444271. The cubic root of 28094847 is about 304.0013814284.

The spelling of 28094847 in words is "twenty-eight million, ninety-four thousand, eight hundred forty-seven".