3953806 has 4 divisors (see below), whose sum is σ = 5930712. Its totient is φ = 1976902.

The previous prime is 3953801. The next prime is 3953813. The reversal of 3953806 is 6083593.

3953806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6083593 = 157 ⋅38749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953801) 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 as a sum of consecutive naturals, namely, 988450 + ... + 988453.

It is an arithmetic number, because the mean of its divisors is an integer number (1482678).

Almost surely, 2^3953806 is an apocalyptic number.

3953806 is a deficient number, since it is larger than the sum of its proper divisors (1976906).

3953806 is a wasteful number, since it uses less digits than its factorization.

3953806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976905.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3953806 is about 1988.4179641112. The cubic root of 3953806 is about 158.1266676385.

The spelling of 3953806 in words is "three million, nine hundred fifty-three thousand, eight hundred six".