108001836 has 72 divisors (see below), whose sum is σ = 295486464. Its totient is φ = 34428240.

The previous prime is 108001823. The next prime is 108001847. The reversal of 108001836 is 638100801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19941 + ... + 24771.

Almost surely, 2^108001836 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 108001836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147743232).

108001836 is an abundant number, since it is smaller than the sum of its proper divisors (187484628).

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

108001836 is a wasteful number, since it uses less digits than its factorization.

108001836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108001836 is about 10392.3931796290. The cubic root of 108001836 is about 476.2230141570.

The spelling of 108001836 in words is "one hundred eight million, one thousand, eight hundred thirty-six".