43631346 has 32 divisors (see below), whose sum is σ = 96546816. Its totient is φ = 13034000.

The previous prime is 43631323. The next prime is 43631359. The reversal of 43631346 is 64313634.

43631346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31 + ... + 9341.

It is an arithmetic number, because the mean of its divisors is an integer number (3017088).

Almost surely, 2^43631346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43631346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48273408).

43631346 is an abundant number, since it is smaller than the sum of its proper divisors (52915470).

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

43631346 is a wasteful number, since it uses less digits than its factorization.

43631346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398.

The product of its digits is 15552, while the sum is 30.

The square root of 43631346 is about 6605.4027886269. The cubic root of 43631346 is about 352.0460995494.

The spelling of 43631346 in words is "forty-three million, six hundred thirty-one thousand, three hundred forty-six".