3993705 has 48 divisors (see below), whose sum is σ = 7600320. Its totient is φ = 2006208.

The previous prime is 3993701. The next prime is 3993713. The reversal of 3993705 is 5073993.

It is not a de Polignac number, because 3993705 - 2² = 3993701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3993705.

It is not an unprimeable number, because it can be changed into a prime (3993701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22999 + ... + 23171.

It is an arithmetic number, because the mean of its divisors is an integer number (158340).

Almost surely, 2^3993705 is an apocalyptic number.

It is an amenable number.

3993705 is a deficient number, since it is larger than the sum of its proper divisors (3606615).

3993705 is a wasteful number, since it uses less digits than its factorization.

3993705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 3993705 is about 1998.4256303400. The cubic root of 3993705 is about 158.6567890617.

The spelling of 3993705 in words is "three million, nine hundred ninety-three thousand, seven hundred five".