43676969 has 4 divisors (see below), whose sum is σ = 49916544. Its totient is φ = 37437396.

The previous prime is 43676957. The next prime is 43676981. The reversal of 43676969 is 96967634.

43676969 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 an interprime number because it is at equal distance from previous prime (43676957) and next prime (43676981).

It is a cyclic number.

It is not a de Polignac number, because 43676969 - 2¹⁶ = 43611433 is a prime.

It is a super-2 number, since 2×43676969² = 3815355242053922, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43676939) 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, 3119777 + ... + 3119790.

It is an arithmetic number, because the mean of its divisors is an integer number (12479136).

Almost surely, 2^43676969 is an apocalyptic number.

It is an amenable number.

43676969 is a deficient number, since it is larger than the sum of its proper divisors (6239575).

43676969 is an equidigital number, since it uses as much as digits as its factorization.

43676969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239574.

The product of its digits is 1469664, while the sum is 50.

The square root of 43676969 is about 6608.8553471838. The cubic root of 43676969 is about 352.1687621589.

The spelling of 43676969 in words is "forty-three million, six hundred seventy-six thousand, nine hundred sixty-nine".