8388634 has 8 divisors (see below), whose sum is σ = 12611520. Its totient is φ = 4184796.

The previous prime is 8388623. The next prime is 8388637. The reversal of 8388634 is 4368838.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 3 + 8⁷ + 8⁷ + 6 + 3² + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (8388637) 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, 3604 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1576440).

Almost surely, 2^8388634 is an apocalyptic number.

8388634 is a deficient number, since it is larger than the sum of its proper divisors (4222886).

8388634 is a wasteful number, since it uses less digits than its factorization.

8388634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524.

The product of its digits is 110592, while the sum is 40.

The square root of 8388634 is about 2896.3138642074. The cubic root of 8388634 is about 203.1875445741.

The spelling of 8388634 in words is "eight million, three hundred eighty-eight thousand, six hundred thirty-four".