43949345 has 16 divisors (see below), whose sum is σ = 58069440. Its totient is φ = 31665600.

The previous prime is 43949317. The next prime is 43949363. The reversal of 43949345 is 54394934.

43949345 = T₉₇ + T₉₈ + ... + T₆₄₁.

43949345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43949345 - 2⁶ = 43949281 is a prime.

It is a Curzon number.

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, 2330 + ... + 9660.

It is an arithmetic number, because the mean of its divisors is an integer number (3629340).

Almost surely, 2^43949345 is an apocalyptic number.

It is an amenable number.

43949345 is a deficient number, since it is larger than the sum of its proper divisors (14120095).

43949345 is a wasteful number, since it uses less digits than its factorization.

43949345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456.

The product of its digits is 233280, while the sum is 41.

The square root of 43949345 is about 6629.4302168437. The cubic root of 43949345 is about 352.8993043926.

The spelling of 43949345 in words is "forty-three million, nine hundred forty-nine thousand, three hundred forty-five".