43331106 has 64 divisors (see below), whose sum is σ = 108493056. Its totient is φ = 11232000.

The previous prime is 43331089. The next prime is 43331129. The reversal of 43331106 is 60113334.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 32656 + ... + 33956.

It is an arithmetic number, because the mean of its divisors is an integer number (1695204).

Almost surely, 2^43331106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43331106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54246528).

43331106 is an abundant number, since it is smaller than the sum of its proper divisors (65161950).

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

43331106 is a wasteful number, since it uses less digits than its factorization.

43331106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 43331106 is about 6582.6367057586. The cubic root of 43331106 is about 351.2367296144.

The spelling of 43331106 in words is "forty-three million, three hundred thirty-one thousand, one hundred six".