3873963 has 4 divisors (see below), whose sum is σ = 5165288. Its totient is φ = 2582640.

The previous prime is 3873941. The next prime is 3873983. The reversal of 3873963 is 3693783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3693783 = 3 ⋅1231261.

It is not a de Polignac number, because 3873963 - 2⁵ = 3873931 is a prime.

It is a D-number.

It is a Duffinian number.

3873963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3873983) 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, 645658 + ... + 645663.

It is an arithmetic number, because the mean of its divisors is an integer number (1291322).

Almost surely, 2^3873963 is an apocalyptic number.

3873963 is a deficient number, since it is larger than the sum of its proper divisors (1291325).

3873963 is a wasteful number, since it uses less digits than its factorization.

3873963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291324.

The product of its digits is 81648, while the sum is 39.

The square root of 3873963 is about 1968.2385526150. The cubic root of 3873963 is about 157.0550201362.

The spelling of 3873963 in words is "three million, eight hundred seventy-three thousand, nine hundred sixty-three".