5443309 has 4 divisors (see below), whose sum is σ = 5472000. Its totient is φ = 5414620.

The previous prime is 5443303. The next prime is 5443363. The reversal of 5443309 is 9033445.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9033445 = 5 ⋅1806689.

It is a cyclic number.

It is not a de Polignac number, because 5443309 - 2³ = 5443301 is a prime.

It is a super-2 number, since 2×5443309² = 59259225738962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443301) 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, 14059 + ... + 14440.

It is an arithmetic number, because the mean of its divisors is an integer number (1368000).

Almost surely, 2^5443309 is an apocalyptic number.

It is an amenable number.

5443309 is a deficient number, since it is larger than the sum of its proper divisors (28691).

5443309 is a wasteful number, since it uses less digits than its factorization.

5443309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 5443309 is about 2333.0900111226. The cubic root of 5443309 is about 175.9088392404.

The spelling of 5443309 in words is "five million, four hundred forty-three thousand, three hundred nine".