8368638 has 16 divisors (see below), whose sum is σ = 16782096. Its totient is φ = 2782080.

The previous prime is 8368637. The next prime is 8368643.

8368638 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8368638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8368637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 4182.

It is an arithmetic number, because the mean of its divisors is an integer number (1048881).

Almost surely, 2^8368638 is an apocalyptic number.

8368638 is an abundant number, since it is smaller than the sum of its proper divisors (8413458).

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

8368638 is a wasteful number, since it uses less digits than its factorization.

8368638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739.

The product of its digits is 165888, while the sum is 42.

The square root of 8368638 is about 2892.8598306866. The cubic root of 8368638 is about 203.0259699681.

The spelling of 8368638 in words is "eight million, three hundred sixty-eight thousand, six hundred thirty-eight".