3809573 has 4 divisors (see below), whose sum is σ = 3837120. Its totient is φ = 3782028.

The previous prime is 3809567. The next prime is 3809591. The reversal of 3809573 is 3759083.

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: 3759083 = 109 ⋅34487.

It is a cyclic number.

It is not a de Polignac number, because 3809573 - 2¹⁰ = 3808549 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 8⁷ + 0 + 9² + 5³ + 7⁶ + 3¹³ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809503) 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, 13565 + ... + 13842.

It is an arithmetic number, because the mean of its divisors is an integer number (959280).

Almost surely, 2^3809573 is an apocalyptic number.

It is an amenable number.

3809573 is a deficient number, since it is larger than the sum of its proper divisors (27547).

3809573 is a wasteful number, since it uses less digits than its factorization.

3809573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27546.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3809573 is about 1951.8127471661. The cubic root of 3809573 is about 156.1800053428.

The spelling of 3809573 in words is "three million, eight hundred nine thousand, five hundred seventy-three".