3943542 has 8 divisors (see below), whose sum is σ = 7887096. Its totient is φ = 1314512.

The previous prime is 3943531. The next prime is 3943543. The reversal of 3943542 is 2453493.

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

3943542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943543) 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, 328623 + ... + 328634.

It is an arithmetic number, because the mean of its divisors is an integer number (985887).

Almost surely, 2^3943542 is an apocalyptic number.

3943542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3943542 is a wasteful number, since it uses less digits than its factorization.

3943542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657262.

The product of its digits is 12960, while the sum is 30.

The square root of 3943542 is about 1985.8353406061. The cubic root of 3943542 is about 157.9897178589.

The spelling of 3943542 in words is "three million, nine hundred forty-three thousand, five hundred forty-two".