8928399 has 4 divisors (see below), whose sum is σ = 11904536. Its totient is φ = 5952264.

The previous prime is 8928389. The next prime is 8928407. The reversal of 8928399 is 9938298.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8928399 - 2¹⁵ = 8895631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8928319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488064 + ... + 1488069.

It is an arithmetic number, because the mean of its divisors is an integer number (2976134).

Almost surely, 2^8928399 is an apocalyptic number.

8928399 is a deficient number, since it is larger than the sum of its proper divisors (2976137).

8928399 is a wasteful number, since it uses less digits than its factorization.

8928399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976136.

The product of its digits is 279936, while the sum is 48.

The square root of 8928399 is about 2988.0426703781. The cubic root of 8928399 is about 207.4552978655.

The spelling of 8928399 in words is "eight million, nine hundred twenty-eight thousand, three hundred ninety-nine".