3963634 has 8 divisors (see below), whose sum is σ = 6090588. Its totient is φ = 1933440.

The previous prime is 3963623. The next prime is 3963637. The reversal of 3963634 is 4363693.

It can be written as a sum of positive squares in 2 ways, for example, as 3940225 + 23409 = 1985^2 + 153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3963634.

It is not an unprimeable number, because it can be changed into a prime (3963637) 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, 24087 + ... + 24250.

Almost surely, 2^3963634 is an apocalyptic number.

3963634 is a deficient number, since it is larger than the sum of its proper divisors (2126954).

3963634 is a wasteful number, since it uses less digits than its factorization.

3963634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48380.

The product of its digits is 34992, while the sum is 34.

The square root of 3963634 is about 1990.8877416871. The cubic root of 3963634 is about 158.2575780416.

The spelling of 3963634 in words is "three million, nine hundred sixty-three thousand, six hundred thirty-four".