3663812 has 12 divisors (see below), whose sum is σ = 6425916. Its totient is φ = 1827840.

The previous prime is 3663811. The next prime is 3663833. The reversal of 3663812 is 2183663.

It can be written as a sum of positive squares in 2 ways, for example, as 894916 + 2768896 = 946^2 + 1664^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3663811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (535493).

Almost surely, 2^3663812 is an apocalyptic number.

It is an amenable number.

3663812 is a deficient number, since it is larger than the sum of its proper divisors (2762104).

3663812 is a wasteful number, since it uses less digits than its factorization.

3663812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038 (or 2036 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 3663812 is about 1914.1086698513. The cubic root of 3663812 is about 154.1621387843.

The spelling of 3663812 in words is "three million, six hundred sixty-three thousand, eight hundred twelve".