4183812 has 60 divisors (see below), whose sum is σ = 11265100. Its totient is φ = 1353024.

The previous prime is 4183789. The next prime is 4183813. The reversal of 4183812 is 2183814.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 746496 = 1854^2 + 864^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 15.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4183813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11814 + ... + 12162.

Almost surely, 2^4183812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4183812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5632550).

4183812 is an abundant number, since it is smaller than the sum of its proper divisors (7081288).

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

4183812 is a wasteful number, since it uses less digits than its factorization.

4183812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 391 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 4183812 is about 2045.4368726509. The cubic root of 4183812 is about 161.1353105500.

The spelling of 4183812 in words is "four million, one hundred eighty-three thousand, eight hundred twelve".