443484947 has 4 divisors (see below), whose sum is σ = 466826280. Its totient is φ = 420143616.

The previous prime is 443484931. The next prime is 443484949. The reversal of 443484947 is 749484344.

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

It is a cyclic number.

It is not a de Polignac number, because 443484947 - 2⁴ = 443484931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443484949) 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, 11670638 + ... + 11670675.

It is an arithmetic number, because the mean of its divisors is an integer number (116706570).

Almost surely, 2^443484947 is an apocalyptic number.

443484947 is a deficient number, since it is larger than the sum of its proper divisors (23341333).

443484947 is a wasteful number, since it uses less digits than its factorization.

443484947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23341332.

The product of its digits is 1548288, while the sum is 47.

The square root of 443484947 is about 21059.0822924457. The cubic root of 443484947 is about 762.5932574999.

The spelling of 443484947 in words is "four hundred forty-three million, four hundred eighty-four thousand, nine hundred forty-seven".