3968985 has 8 divisors (see below), whose sum is σ = 6350400. Its totient is φ = 2116784.

The previous prime is 3968983. The next prime is 3969001. The reversal of 3968985 is 5898693.

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 3968985 - 2¹ = 3968983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3968981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132285 + ... + 132314.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^3968985 is an apocalyptic number.

It is an amenable number.

3968985 is a deficient number, since it is larger than the sum of its proper divisors (2381415).

3968985 is a wasteful number, since it uses less digits than its factorization.

3968985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264607.

The product of its digits is 466560, while the sum is 48.

The square root of 3968985 is about 1992.2311612863. The cubic root of 3968985 is about 158.3287631799.

The spelling of 3968985 in words is "three million, nine hundred sixty-eight thousand, nine hundred eighty-five".