3983547 has 4 divisors (see below), whose sum is σ = 5311400. Its totient is φ = 2655696.

The previous prime is 3983543. The next prime is 3983587. The reversal of 3983547 is 7453893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7453893 = 3 ⋅2484631.

It is not a de Polignac number, because 3983547 - 2² = 3983543 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3983543) 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, 663922 + ... + 663927.

It is an arithmetic number, because the mean of its divisors is an integer number (1327850).

Almost surely, 2^3983547 is an apocalyptic number.

3983547 is a deficient number, since it is larger than the sum of its proper divisors (1327853).

3983547 is a wasteful number, since it uses less digits than its factorization.

3983547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327852.

The product of its digits is 90720, while the sum is 39.

The square root of 3983547 is about 1995.8825115723. The cubic root of 3983547 is about 158.5221601898.

The spelling of 3983547 in words is "three million, nine hundred eighty-three thousand, five hundred forty-seven".