4181983 has 16 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 3580416.

The previous prime is 4181981. The next prime is 4181987. The reversal of 4181983 is 3891814.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4181983 - 2¹ = 4181981 is a prime.

It is an Ulam number.

It is a Duffinian number.

4181983 is a lucky number.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27993 + ... + 28141.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^4181983 is an apocalyptic number.

4181983 is a deficient number, since it is larger than the sum of its proper divisors (656417).

4181983 is a wasteful number, since it uses less digits than its factorization.

4181983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its digits is 6912, while the sum is 34.

The square root of 4181983 is about 2044.9897310256. The cubic root of 4181983 is about 161.1118264292. Note that the first 3 decimals are identical.

It can be divided in two parts, 418 and 1983, that added together give a 4-th power (2401 = 7⁴).

The spelling of 4181983 in words is "four million, one hundred eighty-one thousand, nine hundred eighty-three".