3984973 has 4 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 3978268.

The previous prime is 3984971. The next prime is 3984983. The reversal of 3984973 is 3794893.

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: 3794893 = 17 ⋅223229.

It is a cyclic number.

It is not a de Polignac number, because 3984973 - 2¹ = 3984971 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984971) 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, 2365 + ... + 3682.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^3984973 is an apocalyptic number.

It is an amenable number.

3984973 is a deficient number, since it is larger than the sum of its proper divisors (6707).

3984973 is an equidigital number, since it uses as much as digits as its factorization.

3984973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706.

The product of its digits is 163296, while the sum is 43.

The square root of 3984973 is about 1996.2397150643. The cubic root of 3984973 is about 158.5410734541.

The spelling of 3984973 in words is "three million, nine hundred eighty-four thousand, nine hundred seventy-three".