43214689 has 4 divisors (see below), whose sum is σ = 49388224. Its totient is φ = 37041156.

The previous prime is 43214687. The next prime is 43214693. The reversal of 43214689 is 98641234.

43214689 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 not a de Polignac number, because 43214689 - 2¹ = 43214687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43214681) 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, 3086757 + ... + 3086770.

It is an arithmetic number, because the mean of its divisors is an integer number (12347056).

Almost surely, 2^43214689 is an apocalyptic number.

It is an amenable number.

43214689 is a deficient number, since it is larger than the sum of its proper divisors (6173535).

43214689 is an equidigital number, since it uses as much as digits as its factorization.

43214689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173534.

The product of its digits is 41472, while the sum is 37.

The square root of 43214689 is about 6573.7880251800. The cubic root of 43214689 is about 350.9218934276.

The spelling of 43214689 in words is "forty-three million, two hundred fourteen thousand, six hundred eighty-nine".