3953812 has 6 divisors (see below), whose sum is σ = 6919178. Its totient is φ = 1976904.

The previous prime is 3953801. The next prime is 3953813. The reversal of 3953812 is 2183593.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 1406596 = 1596^2 + 1186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494223 + ... + 494230.

Almost surely, 2^3953812 is an apocalyptic number.

It is an amenable number.

3953812 is a deficient number, since it is larger than the sum of its proper divisors (2965366).

3953812 is a wasteful number, since it uses less digits than its factorization.

3953812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988457 (or 988455 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 3953812 is about 1988.4194728477. The cubic root of 3953812 is about 158.1267476255.

The spelling of 3953812 in words is "three million, nine hundred fifty-three thousand, eight hundred twelve".