8388534 has 64 divisors (see below), whose sum is σ = 21307392. Its totient is φ = 2138400.

The previous prime is 8388473. The next prime is 8388539. The reversal of 8388534 is 4358838.

It is a junction number, because it is equal to n+sod(n) for n = 8388492 and 8388501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8388539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30819 + ... + 31089.

It is an arithmetic number, because the mean of its divisors is an integer number (332928).

Almost surely, 2^8388534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8388534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10653696).

8388534 is an abundant number, since it is smaller than the sum of its proper divisors (12918858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8388534 is a wasteful number, since it uses less digits than its factorization.

8388534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

The product of its digits is 92160, while the sum is 39.

The square root of 8388534 is about 2896.2966008336. The cubic root of 8388534 is about 203.1867371787.

The spelling of 8388534 in words is "eight million, three hundred eighty-eight thousand, five hundred thirty-four".