43945344 has 96 divisors (see below), whose sum is σ = 130001040. Its totient is φ = 14238720.

The previous prime is 43945339. The next prime is 43945373. The reversal of 43945344 is 44354934.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43945299 and 43945308.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 42109 + ... + 43139.

Almost surely, 2^43945344 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 43945344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65000520).

43945344 is an abundant number, since it is smaller than the sum of its proper divisors (86055696).

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

43945344 is a wasteful number, since it uses less digits than its factorization.

43945344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1073 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 43945344 is about 6629.1284495022. The cubic root of 43945344 is about 352.8885951472. Note that the first 3 decimals are identical.

The spelling of 43945344 in words is "forty-three million, nine hundred forty-five thousand, three hundred forty-four".