43498943 has 4 divisors (see below), whose sum is σ = 43831128. Its totient is φ = 43166760.

The previous prime is 43498933. The next prime is 43498963. The reversal of 43498943 is 34989434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43498943 - 2⁸ = 43498687 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43498894 and 43498903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43498933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165896 + ... + 166157.

It is an arithmetic number, because the mean of its divisors is an integer number (10957782).

Almost surely, 2^43498943 is an apocalyptic number.

43498943 is a deficient number, since it is larger than the sum of its proper divisors (332185).

43498943 is a wasteful number, since it uses less digits than its factorization.

43498943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332184.

The product of its digits is 373248, while the sum is 44.

The square root of 43498943 is about 6595.3728476865. The cubic root of 43498943 is about 351.6896342024.

The spelling of 43498943 in words is "forty-three million, four hundred ninety-eight thousand, nine hundred forty-three".