43234989 has 8 divisors (see below), whose sum is σ = 65881920. Its totient is φ = 24705696.

The previous prime is 43234979. The next prime is 43234993. The reversal of 43234989 is 98943234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43234989 - 2⁴ = 43234973 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43234989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43234979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029384 + ... + 1029425.

It is an arithmetic number, because the mean of its divisors is an integer number (8235240).

Almost surely, 2^43234989 is an apocalyptic number.

It is an amenable number.

43234989 is a deficient number, since it is larger than the sum of its proper divisors (22646931).

43234989 is a wasteful number, since it uses less digits than its factorization.

43234989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058819.

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

The square root of 43234989 is about 6575.3318547432. The cubic root of 43234989 is about 350.9768330746.

The spelling of 43234989 in words is "forty-three million, two hundred thirty-four thousand, nine hundred eighty-nine".