3980118 has 16 divisors (see below), whose sum is σ = 8073216. Its totient is φ = 1307880.

The previous prime is 3980117. The next prime is 3980143. The reversal of 3980118 is 8110893.

It is an Ulam number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 4246 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (504576).

Almost surely, 2^3980118 is an apocalyptic number.

3980118 is an abundant number, since it is smaller than the sum of its proper divisors (4093098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3980118 is a wasteful number, since it uses less digits than its factorization.

3980118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 3980118 is about 1995.0233081345. The cubic root of 3980118 is about 158.4766623350.

The spelling of 3980118 in words is "three million, nine hundred eighty thousand, one hundred eighteen".