3823812 has 18 divisors (see below), whose sum is σ = 9665838. Its totient is φ = 1274592.

The previous prime is 3823811. The next prime is 3823867. The reversal of 3823812 is 2183283.

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 1218816 = 1614^2 + 1104^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3823812² = 29243076422688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3823811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53073 + ... + 53144.

It is an arithmetic number, because the mean of its divisors is an integer number (536991).

Almost surely, 2^3823812 is an apocalyptic number.

It is an amenable number.

3823812 is an abundant number, since it is smaller than the sum of its proper divisors (5842026).

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

3823812 is a wasteful number, since it uses less digits than its factorization.

3823812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106227 (or 106222 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3823812 is about 1955.4569798387. The cubic root of 3823812 is about 156.3743475217.

The spelling of 3823812 in words is "three million, eight hundred twenty-three thousand, eight hundred twelve".