4181980 has 24 divisors (see below), whose sum is σ = 9581040. Its totient is φ = 1520640.

The previous prime is 4181953. The next prime is 4181981. The reversal of 4181980 is 891814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9285 + ... + 9724.

It is an arithmetic number, because the mean of its divisors is an integer number (399210).

Almost surely, 2^4181980 is an apocalyptic number.

It is an amenable number.

4181980 is an abundant number, since it is smaller than the sum of its proper divisors (5399060).

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

4181980 is a wasteful number, since it uses less digits than its factorization.

4181980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19029 (or 19027 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 4181980 is about 2044.9889975254. The cubic root of 4181980 is about 161.1117879040. Note that the first 3 decimals are identical.

The spelling of 4181980 in words is "four million, one hundred eighty-one thousand, nine hundred eighty".