43164489 has 4 divisors (see below), whose sum is σ = 57552656. Its totient is φ = 28776324.

The previous prime is 43164463. The next prime is 43164497. The reversal of 43164489 is 98446134.

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 not a de Polignac number, because 43164489 - 2⁷ = 43164361 is a prime.

It is a super-2 number, since 2×43164489² = 3726346221262242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43164449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7194079 + ... + 7194084.

It is an arithmetic number, because the mean of its divisors is an integer number (14388164).

Almost surely, 2^43164489 is an apocalyptic number.

It is an amenable number.

43164489 is a deficient number, since it is larger than the sum of its proper divisors (14388167).

43164489 is a wasteful number, since it uses less digits than its factorization.

43164489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388166.

The product of its digits is 82944, while the sum is 39.

The square root of 43164489 is about 6569.9687213867. The cubic root of 43164489 is about 350.7859589021.

The spelling of 43164489 in words is "forty-three million, one hundred sixty-four thousand, four hundred eighty-nine".