43681108 has 12 divisors (see below), whose sum is σ = 78908032. Its totient is φ = 21135960.

The previous prime is 43681103. The next prime is 43681123. The reversal of 43681108 is 80118634.

It is a super-2 number, since 2×43681108² = 3816078392215328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43681108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43681103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176010 + ... + 176257.

Almost surely, 2^43681108 is an apocalyptic number.

It is an amenable number.

43681108 is a deficient number, since it is larger than the sum of its proper divisors (35226924).

43681108 is a wasteful number, since it uses less digits than its factorization.

43681108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352302 (or 352300 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 43681108 is about 6609.1684802250. The cubic root of 43681108 is about 352.1798861029.

It can be divided in two parts, 4368 and 1108, that added together give a square (5476 = 74²).

The spelling of 43681108 in words is "forty-three million, six hundred eighty-one thousand, one hundred eight".