3985311 has 8 divisors (see below), whose sum is σ = 5796864. Its totient is φ = 2415320.

The previous prime is 3985297. The next prime is 3985337. The reversal of 3985311 is 1135893.

It is a happy number.

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 3985311 - 2¹⁰ = 3984287 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985351) 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, 60351 + ... + 60416.

It is an arithmetic number, because the mean of its divisors is an integer number (724608).

Almost surely, 2^3985311 is an apocalyptic number.

3985311 is a deficient number, since it is larger than the sum of its proper divisors (1811553).

3985311 is a wasteful number, since it uses less digits than its factorization.

3985311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120781.

The product of its digits is 3240, while the sum is 30.

The square root of 3985311 is about 1996.3243724405. The cubic root of 3985311 is about 158.5455557403.

The spelling of 3985311 in words is "three million, nine hundred eighty-five thousand, three hundred eleven".