43389069 has 4 divisors (see below), whose sum is σ = 57852096. Its totient is φ = 28926044.

The previous prime is 43389067. The next prime is 43389077. The reversal of 43389069 is 96098334.

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 43389069 - 2¹ = 43389067 is a prime.

It is a super-2 number, since 2×43389069² = 3765222617373522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43389069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43389061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231509 + ... + 7231514.

It is an arithmetic number, because the mean of its divisors is an integer number (14463024).

Almost surely, 2^43389069 is an apocalyptic number.

It is an amenable number.

43389069 is a deficient number, since it is larger than the sum of its proper divisors (14463027).

43389069 is a wasteful number, since it uses less digits than its factorization.

43389069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463026.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 43389069 is about 6587.0379534355. The cubic root of 43389069 is about 351.3932735338.

The spelling of 43389069 in words is "forty-three million, three hundred eighty-nine thousand, sixty-nine".