3943685 has 8 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 3141904.

The previous prime is 3943673. The next prime is 3943691. The reversal of 3943685 is 5863493.

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

It is a cyclic number.

It is not a de Polignac number, because 3943685 - 2¹⁰ = 3942661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (594000).

Almost surely, 2^3943685 is an apocalyptic number.

It is an amenable number.

3943685 is a deficient number, since it is larger than the sum of its proper divisors (808315).

3943685 is a wasteful number, since it uses less digits than its factorization.

3943685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267.

The product of its digits is 77760, while the sum is 38.

The square root of 3943685 is about 1985.8713452789. The cubic root of 3943685 is about 157.9916275006.

The spelling of 3943685 in words is "three million, nine hundred forty-three thousand, six hundred eighty-five".