43534961 has 8 divisors (see below), whose sum is σ = 44049600. Its totient is φ = 43023600.

The previous prime is 43534957. The next prime is 43534987. The reversal of 43534961 is 16943534.

It is a happy number.

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 43534961 - 2² = 43534957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43534921) 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, 33950 + ... + 35208.

It is an arithmetic number, because the mean of its divisors is an integer number (5506200).

Almost surely, 2^43534961 is an apocalyptic number.

It is an amenable number.

43534961 is a deficient number, since it is larger than the sum of its proper divisors (514639).

43534961 is a wasteful number, since it uses less digits than its factorization.

43534961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its digits is 38880, while the sum is 35.

The square root of 43534961 is about 6598.1028333908. The cubic root of 43534961 is about 351.7866761209.

The spelling of 43534961 in words is "forty-three million, five hundred thirty-four thousand, nine hundred sixty-one".