3985318 has 8 divisors (see below), whose sum is σ = 6105312. Its totient is φ = 1950216.

The previous prime is 3985297. The next prime is 3985337. The reversal of 3985318 is 8135893.

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

It is a super-2 number, since 2×3985318² = 31765519122248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21105 + ... + 21292.

It is an arithmetic number, because the mean of its divisors is an integer number (763164).

Almost surely, 2^3985318 is an apocalyptic number.

3985318 is a deficient number, since it is larger than the sum of its proper divisors (2119994).

3985318 is a wasteful number, since it uses less digits than its factorization.

3985318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42446.

The product of its digits is 25920, while the sum is 37.

The square root of 3985318 is about 1996.3261256618. The cubic root of 3985318 is about 158.5456485660.

The spelling of 3985318 in words is "three million, nine hundred eighty-five thousand, three hundred eighteen".