8534399 has 4 divisors (see below), whose sum is σ = 8619000. Its totient is φ = 8449800.

The previous prime is 8534387. The next prime is 8534411. The reversal of 8534399 is 9934358.

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

It is an interprime number because it is at equal distance from previous prime (8534387) and next prime (8534411).

It is a cyclic number.

It is not a de Polignac number, because 8534399 - 2²⁰ = 7485823 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 (8534329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42149 + ... + 42350.

It is an arithmetic number, because the mean of its divisors is an integer number (2154750).

Almost surely, 2^8534399 is an apocalyptic number.

8534399 is a deficient number, since it is larger than the sum of its proper divisors (84601).

8534399 is a wasteful number, since it uses less digits than its factorization.

8534399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84600.

The product of its digits is 116640, while the sum is 41.

The square root of 8534399 is about 2921.3693706890. The cubic root of 8534399 is about 204.3576881844.

Subtracting from 8534399 its sum of digits (41), we obtain a palindrome (8534358).

The spelling of 8534399 in words is "eight million, five hundred thirty-four thousand, three hundred ninety-nine".