43868479 has 4 divisors (see below), whose sum is σ = 43916040. Its totient is φ = 43820920.

The previous prime is 43868459. The next prime is 43868491. The reversal of 43868479 is 97486834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43868479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43868459) 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, 22369 + ... + 24250.

It is an arithmetic number, because the mean of its divisors is an integer number (10979010).

Almost surely, 2^43868479 is an apocalyptic number.

43868479 is a deficient number, since it is larger than the sum of its proper divisors (47561).

43868479 is an equidigital number, since it uses as much as digits as its factorization.

43868479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47560.

The product of its digits is 1161216, while the sum is 49.

The square root of 43868479 is about 6623.3283928853. The cubic root of 43868479 is about 352.6827287271.

The spelling of 43868479 in words is "forty-three million, eight hundred sixty-eight thousand, four hundred seventy-nine".