3853812 has 24 divisors (see below), whose sum is σ = 9184896. Its totient is φ = 1257088.

The previous prime is 3853793. The next prime is 3853813. The reversal of 3853812 is 2183583.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3853812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853 + ... + 3980.

It is an arithmetic number, because the mean of its divisors is an integer number (382704).

Almost surely, 2^3853812 is an apocalyptic number.

It is an amenable number.

3853812 is an abundant number, since it is smaller than the sum of its proper divisors (5331084).

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

3853812 is a wasteful number, since it uses less digits than its factorization.

3853812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887 (or 6885 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 3853812 is about 1963.1128342507. The cubic root of 3853812 is about 156.7822315177.

The spelling of 3853812 in words is "three million, eight hundred fifty-three thousand, eight hundred twelve".