3946863 has 4 divisors (see below), whose sum is σ = 5262488. Its totient is φ = 2631240.

The previous prime is 3946853. The next prime is 3946879. The reversal of 3946863 is 3686493.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3946863 - 2⁶ = 3946799 is a prime.

It is a D-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 (3946843) 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, 657808 + ... + 657813.

It is an arithmetic number, because the mean of its divisors is an integer number (1315622).

Almost surely, 2^3946863 is an apocalyptic number.

3946863 is a deficient number, since it is larger than the sum of its proper divisors (1315625).

3946863 is a wasteful number, since it uses less digits than its factorization.

3946863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315624.

The product of its digits is 93312, while the sum is 39.

The square root of 3946863 is about 1986.6713366835. The cubic root of 3946863 is about 158.0340550425.

The spelling of 3946863 in words is "three million, nine hundred forty-six thousand, eight hundred sixty-three".