43289349 has 4 divisors (see below), whose sum is σ = 57719136. Its totient is φ = 28859564.

The previous prime is 43289273. The next prime is 43289357. The reversal of 43289349 is 94398234.

It is a happy number.

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 43289349 - 2⁷ = 43289221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43289349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43289359) 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, 7214889 + ... + 7214894.

It is an arithmetic number, because the mean of its divisors is an integer number (14429784).

Almost surely, 2^43289349 is an apocalyptic number.

It is an amenable number.

43289349 is a deficient number, since it is larger than the sum of its proper divisors (14429787).

43289349 is a wasteful number, since it uses less digits than its factorization.

43289349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14429786.

The product of its digits is 186624, while the sum is 42.

The square root of 43289349 is about 6579.4641879107. The cubic root of 43289349 is about 351.1238676140.

The spelling of 43289349 in words is "forty-three million, two hundred eighty-nine thousand, three hundred forty-nine".