3985111 has 8 divisors (see below), whose sum is σ = 4392080. Its totient is φ = 3592512.

The previous prime is 3985103. The next prime is 3985181. The reversal of 3985111 is 1115893.

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 3985111 - 2³ = 3985103 is a prime.

It is a super-2 number, since 2×3985111² = 31762219364642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3985111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985181) 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, 3006 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (549010).

Almost surely, 2^3985111 is an apocalyptic number.

3985111 is a deficient number, since it is larger than the sum of its proper divisors (406969).

3985111 is a wasteful number, since it uses less digits than its factorization.

3985111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185.

The product of its digits is 1080, while the sum is 28.

The square root of 3985111 is about 1996.2742797522. The cubic root of 3985111 is about 158.5429035306.

It can be divided in two parts, 3985 and 111, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3985111 in words is "three million, nine hundred eighty-five thousand, one hundred eleven".