8398523 has 4 divisors (see below), whose sum is σ = 9598320. Its totient is φ = 7198728.

The previous prime is 8398483. The next prime is 8398531. The reversal of 8398523 is 3258938.

8398523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3258938 = 2 ⋅1629469.

It is a cyclic number.

It is not a de Polignac number, because 8398523 - 2⁸ = 8398267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8398543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599888 + ... + 599901.

It is an arithmetic number, because the mean of its divisors is an integer number (2399580).

Almost surely, 2^8398523 is an apocalyptic number.

8398523 is a deficient number, since it is larger than the sum of its proper divisors (1199797).

8398523 is a wasteful number, since it uses less digits than its factorization.

8398523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199796.

The product of its digits is 51840, while the sum is 38.

The square root of 8398523 is about 2898.0205313282. The cubic root of 8398523 is about 203.2673562406.

The spelling of 8398523 in words is "eight million, three hundred ninety-eight thousand, five hundred twenty-three".