5673909 has 4 divisors (see below), whose sum is σ = 7565216. Its totient is φ = 3782604.

The previous prime is 5673907. The next prime is 5673911. The reversal of 5673909 is 9093765.

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 (5673907) and next prime (5673911).

It is not a de Polignac number, because 5673909 - 2¹ = 5673907 is a prime.

It is a D-number.

It is a Duffinian number.

5673909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5673901) 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, 945649 + ... + 945654.

It is an arithmetic number, because the mean of its divisors is an integer number (1891304).

Almost surely, 2^5673909 is an apocalyptic number.

It is an amenable number.

5673909 is a deficient number, since it is larger than the sum of its proper divisors (1891307).

5673909 is a wasteful number, since it uses less digits than its factorization.

5673909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891306.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 5673909 is about 2381.9968513833. The cubic root of 5673909 is about 178.3586276366.

The spelling of 5673909 in words is "five million, six hundred seventy-three thousand, nine hundred nine".