108240839 has 8 divisors (see below), whose sum is σ = 123831840. Its totient is φ = 92681856.

The previous prime is 108240827. The next prime is 108240851. The reversal of 108240839 is 938042801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108240827) and next prime (108240851).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108240839 - 2¹² = 108236743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 108240799 and 108240808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108240439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 14715.

It is an arithmetic number, because the mean of its divisors is an integer number (15478980).

Almost surely, 2^108240839 is an apocalyptic number.

108240839 is a deficient number, since it is larger than the sum of its proper divisors (15591001).

108240839 is a wasteful number, since it uses less digits than its factorization.

108240839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16009.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 108240839 is about 10403.8857644632. The cubic root of 108240839 is about 476.5740417500.

The spelling of 108240839 in words is "one hundred eight million, two hundred forty thousand, eight hundred thirty-nine".