443284969 has 4 divisors (see below), whose sum is σ = 443341396. Its totient is φ = 443228544.

The previous prime is 443284949. The next prime is 443284999. The reversal of 443284969 is 969482344.

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

It can be written as a sum of positive squares in 2 ways, for example, as 138956944 + 304328025 = 11788^2 + 17445^2 .

It is a cyclic number.

It is not a de Polignac number, because 443284969 - 2⁵ = 443284937 is a prime.

It is a super-2 number, since 2×443284969² = 393003127482661922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443284949) 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, 14064 + ... + 32929.

It is an arithmetic number, because the mean of its divisors is an integer number (110835349).

Almost surely, 2^443284969 is an apocalyptic number.

It is an amenable number.

443284969 is a deficient number, since it is larger than the sum of its proper divisors (56427).

443284969 is an equidigital number, since it uses as much as digits as its factorization.

443284969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56426.

The product of its digits is 1492992, while the sum is 49.

The square root of 443284969 is about 21054.3337344120. Note that the first 3 decimals coincide. The cubic root of 443284969 is about 762.4786164029.

It can be divided in two parts, 4432 and 84969, that added together give a square (89401 = 299²).

The spelling of 443284969 in words is "four hundred forty-three million, two hundred eighty-four thousand, nine hundred sixty-nine".