108304638 has 64 divisors (see below), whose sum is σ = 246177792. Its totient is φ = 31530240.

The previous prime is 108304627. The next prime is 108304639. The reversal of 108304638 is 836403801.

It is a super-2 number, since 2×108304638² = 23459789224622088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108304599 and 108304608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108304639) 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, 113170 + ... + 114122.

It is an arithmetic number, because the mean of its divisors is an integer number (3846528).

Almost surely, 2^108304638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108304638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123088896).

108304638 is an abundant number, since it is smaller than the sum of its proper divisors (137873154).

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

108304638 is a wasteful number, since it uses less digits than its factorization.

108304638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 108304638 is about 10406.9514268108. The cubic root of 108304638 is about 476.6676569874.

The spelling of 108304638 in words is "one hundred eight million, three hundred four thousand, six hundred thirty-eight".