43493369 has 4 divisors (see below), whose sum is σ = 43512144. Its totient is φ = 43474596.

The previous prime is 43493363. The next prime is 43493381. The reversal of 43493369 is 96339434.

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 not a de Polignac number, because 43493369 - 2⁴ = 43493353 is a prime.

It is a super-3 number, since 3×43493369³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43493363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5327 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (10878036).

Almost surely, 2^43493369 is an apocalyptic number.

It is an amenable number.

43493369 is a deficient number, since it is larger than the sum of its proper divisors (18775).

43493369 is a wasteful number, since it uses less digits than its factorization.

43493369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18774.

The product of its digits is 209952, while the sum is 41.

The square root of 43493369 is about 6594.9502651650. The cubic root of 43493369 is about 351.6746116017.

The spelling of 43493369 in words is "forty-three million, four hundred ninety-three thousand, three hundred sixty-nine".