3966542 has 8 divisors (see below), whose sum is σ = 6299856. Its totient is φ = 1866592.

The previous prime is 3966541. The next prime is 3966563. The reversal of 3966542 is 2456693.

3966542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966541) 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 in 3 ways as a sum of consecutive naturals, for example, 58298 + ... + 58365.

It is an arithmetic number, because the mean of its divisors is an integer number (787482).

Almost surely, 2^3966542 is an apocalyptic number.

3966542 is a deficient number, since it is larger than the sum of its proper divisors (2333314).

3966542 is a wasteful number, since it uses less digits than its factorization.

3966542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116682.

The product of its digits is 38880, while the sum is 35.

The square root of 3966542 is about 1991.6179352476. The cubic root of 3966542 is about 158.2962715347.

The spelling of 3966542 in words is "three million, nine hundred sixty-six thousand, five hundred forty-two".