43361189 has 4 divisors (see below), whose sum is σ = 43673280. Its totient is φ = 43049100.

The previous prime is 43361161. The next prime is 43361207. The reversal of 43361189 is 98116334.

43361189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43361189 is a prime.

It is a super-2 number, since 2×43361189² = 3760385422987442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43361089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 155837 + ... + 156114.

It is an arithmetic number, because the mean of its divisors is an integer number (10918320).

Almost surely, 2^43361189 is an apocalyptic number.

It is an amenable number.

43361189 is a deficient number, since it is larger than the sum of its proper divisors (312091).

43361189 is a wasteful number, since it uses less digits than its factorization.

43361189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312090.

The product of its digits is 15552, while the sum is 35.

The square root of 43361189 is about 6584.9213359007. The cubic root of 43361189 is about 351.3179938701.

The spelling of 43361189 in words is "forty-three million, three hundred sixty-one thousand, one hundred eighty-nine".