3999180 has 24 divisors (see below), whose sum is σ = 11197872. Its totient is φ = 1066432.

The previous prime is 3999161. The next prime is 3999209. The reversal of 3999180 is 819993.

3999180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33267 + ... + 33386.

It is an arithmetic number, because the mean of its divisors is an integer number (466578).

Almost surely, 2^3999180 is an apocalyptic number.

3999180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3999180 is an abundant number, since it is smaller than the sum of its proper divisors (7198692).

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

3999180 is a wasteful number, since it uses less digits than its factorization.

3999180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66665 (or 66663 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 3999180 is about 1999.7949894927. The cubic root of 3999180 is about 158.7292572150.

The spelling of 3999180 in words is "three million, nine hundred ninety-nine thousand, one hundred eighty".