108709312 has 56 divisors (see below), whose sum is σ = 224739200. Its totient is φ = 52116480.

The previous prime is 108709303. The next prime is 108709331. The reversal of 108709312 is 213907801.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311314 + ... + 311662.

It is an arithmetic number, because the mean of its divisors is an integer number (4013200).

Almost surely, 2^108709312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108709312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112369600).

108709312 is an abundant number, since it is smaller than the sum of its proper divisors (116029888).

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

108709312 is a wasteful number, since it uses less digits than its factorization.

108709312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 108709312 is about 10426.3757845188. The cubic root of 108709312 is about 477.2605994549.

The spelling of 108709312 in words is "one hundred eight million, seven hundred nine thousand, three hundred twelve".