3996685 has 24 divisors (see below), whose sum is σ = 6090336. Its totient is φ = 2489760.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996685 is 5866993.

It is not a de Polignac number, because 3996685 - 2⁵ = 3996653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (253764).

Almost surely, 2^3996685 is an apocalyptic number.

3996685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3996685 is a deficient number, since it is larger than the sum of its proper divisors (2093651).

3996685 is a wasteful number, since it uses less digits than its factorization.

3996685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1506 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 3996685 is about 1999.1710782222. The cubic root of 3996685 is about 158.6962411231.

The spelling of 3996685 in words is "three million, nine hundred ninety-six thousand, six hundred eighty-five".