3980111 has 4 divisors (see below), whose sum is σ = 4004112. Its totient is φ = 3956112.

The previous prime is 3980089. The next prime is 3980113. The reversal of 3980111 is 1110893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110893 = 7 ⋅158699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3980111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11750 + ... + 12083.

It is an arithmetic number, because the mean of its divisors is an integer number (1001028).

Almost surely, 2^3980111 is an apocalyptic number.

3980111 is a deficient number, since it is larger than the sum of its proper divisors (24001).

3980111 is a wasteful number, since it uses less digits than its factorization.

3980111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24000.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 3980111 is about 1995.0215537683. The cubic root of 3980111 is about 158.4765694284.

The spelling of 3980111 in words is "three million, nine hundred eighty thousand, one hundred eleven".