3563631 has 6 divisors (see below), whose sum is σ = 5147480. Its totient is φ = 2375748.

The previous prime is 3563569. The next prime is 3563653. The reversal of 3563631 is 1363653.

It is not a de Polignac number, because 3563631 - 2⁷ = 3563503 is a prime.

It is a super-2 number, since 2×3563631² = 25398931808322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3563595 and 3563604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3563671) 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, 197971 + ... + 197988.

Almost surely, 2^3563631 is an apocalyptic number.

3563631 is a deficient number, since it is larger than the sum of its proper divisors (1583849).

3563631 is a wasteful number, since it uses less digits than its factorization.

3563631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395965 (or 395962 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 3563631 is about 1887.7581942611. The cubic root of 3563631 is about 152.7440292569.

The spelling of 3563631 in words is "three million, five hundred sixty-three thousand, six hundred thirty-one".