3809973 has 8 divisors (see below), whose sum is σ = 5300928. Its totient is φ = 2429504.

The previous prime is 3809963. The next prime is 3809977. The reversal of 3809973 is 3799083.

It is a happy number.

3809973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3809973 - 2⁴ = 3809957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27540 + ... + 27677.

It is an arithmetic number, because the mean of its divisors is an integer number (662616).

Almost surely, 2^3809973 is an apocalyptic number.

It is an amenable number.

3809973 is a deficient number, since it is larger than the sum of its proper divisors (1490955).

3809973 is a wasteful number, since it uses less digits than its factorization.

3809973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55243.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3809973 is about 1951.9152133225. The cubic root of 3809973 is about 156.1854713811.

The spelling of 3809973 in words is "three million, eight hundred nine thousand, nine hundred seventy-three".