108308 has 6 divisors (see below), whose sum is σ = 189546. Its totient is φ = 54152.

The previous prime is 108301. The next prime is 108343. The reversal of 108308 is 803801.

108308 = T₁₈₇ + T₁₈₈ + ... + T₁₉₂.

It can be written as a sum of positive squares in only one way, i.e., 103684 + 4624 = 322^2 + 68^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108301) by changing a digit.

108308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13535 + ... + 13542.

It is an arithmetic number, because the mean of its divisors is an integer number (31591).

2¹⁰⁸³⁰⁸ is an apocalyptic number.

It is an amenable number.

108308 is a deficient number, since it is larger than the sum of its proper divisors (81238).

108308 is a wasteful number, since it uses less digits than its factorization.

108308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27081 (or 27079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 108308 is about 329.1018079561. The cubic root of 108308 is about 47.6672589186.

The spelling of 108308 in words is "one hundred eight thousand, three hundred eight".