3973858 has 16 divisors (see below), whose sum is σ = 6900480. Its totient is φ = 1681056.

The previous prime is 3973847. The next prime is 3973861. The reversal of 3973858 is 8583793.

It is a happy number.

3973858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (431280).

Almost surely, 2^3973858 is an apocalyptic number.

3973858 is a deficient number, since it is larger than the sum of its proper divisors (2926622).

3973858 is a wasteful number, since it uses less digits than its factorization.

3973858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its digits is 181440, while the sum is 43.

The square root of 3973858 is about 1993.4537867731. The cubic root of 3973858 is about 158.3935337717.

The spelling of 3973858 in words is "three million, nine hundred seventy-three thousand, eight hundred fifty-eight".