28928395 has 8 divisors (see below), whose sum is σ = 34743456. Its totient is φ = 23123136.

The previous prime is 28928371. The next prime is 28928423. The reversal of 28928395 is 59382982.

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 28928395 - 2⁷ = 28928267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8514 + ... + 11416.

It is an arithmetic number, because the mean of its divisors is an integer number (4342932).

Almost surely, 2^28928395 is an apocalyptic number.

28928395 is a deficient number, since it is larger than the sum of its proper divisors (5815061).

28928395 is a wasteful number, since it uses less digits than its factorization.

28928395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901.

The product of its digits is 311040, while the sum is 46.

The square root of 28928395 is about 5378.5123407872. The cubic root of 28928395 is about 306.9786083621.

The spelling of 28928395 in words is "twenty-eight million, nine hundred twenty-eight thousand, three hundred ninety-five".