43394441 has 8 divisors (see below), whose sum is σ = 45208800. Its totient is φ = 41616160.

The previous prime is 43394437. The next prime is 43394453. The reversal of 43394441 is 14449334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43394441 - 2² = 43394437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43394398 and 43394407.

It is not an unprimeable number, because it can be changed into a prime (43394401) 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 7 ways as a sum of consecutive naturals, for example, 6551 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^43394441 is an apocalyptic number.

43394441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43394441 is a deficient number, since it is larger than the sum of its proper divisors (1814359).

43394441 is a wasteful number, since it uses less digits than its factorization.

43394441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039.

The product of its digits is 20736, while the sum is 32.

The square root of 43394441 is about 6587.4457113513. The cubic root of 43394441 is about 351.4077749340.

The spelling of 43394441 in words is "forty-three million, three hundred ninety-four thousand, four hundred forty-one".