108343638 has 48 divisors (see below), whose sum is σ = 254217600. Its totient is φ = 33149952.

The previous prime is 108343633. The next prime is 108343649. The reversal of 108343638 is 836343801.

It is a happy number.

108343638 is a `hidden beast` number, since 10 + 8 + 3 + 4 + 3 + 638 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108343633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43963 + ... + 46361.

It is an arithmetic number, because the mean of its divisors is an integer number (5296200).

Almost surely, 2^108343638 is an apocalyptic number.

108343638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108343638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127108800).

108343638 is an abundant number, since it is smaller than the sum of its proper divisors (145873962).

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

108343638 is a wasteful number, since it uses less digits than its factorization.

108343638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 108343638 is about 10408.8250057343. The cubic root of 108343638 is about 476.7248653952.

The spelling of 108343638 in words is "one hundred eight million, three hundred forty-three thousand, six hundred thirty-eight".