108729684 has 144 divisors (see below), whose sum is σ = 327075840. Its totient is φ = 29816640.

The previous prime is 108729661. The next prime is 108729689. The reversal of 108729684 is 486927801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108729689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055577 + ... + 1055679.

It is an arithmetic number, because the mean of its divisors is an integer number (2271360).

Almost surely, 2^108729684 is an apocalyptic number.

108729684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108729684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163537920).

108729684 is an abundant number, since it is smaller than the sum of its proper divisors (218346156).

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

108729684 is a wasteful number, since it uses less digits than its factorization.

108729684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 108729684 is about 10427.3526841668. The cubic root of 108729684 is about 477.2904102886.

The spelling of 108729684 in words is "one hundred eight million, seven hundred twenty-nine thousand, six hundred eighty-four".