3630406 has 16 divisors (see below), whose sum is σ = 6174000. Its totient is φ = 1587168.

The previous prime is 3630397. The next prime is 3630433. The reversal of 3630406 is 6040363.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181 + ... + 4168.

It is an arithmetic number, because the mean of its divisors is an integer number (385875).

Almost surely, 2^3630406 is an apocalyptic number.

3630406 is a deficient number, since it is larger than the sum of its proper divisors (2543594).

3630406 is a wasteful number, since it uses less digits than its factorization.

3630406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3630406 is about 1905.3624327146. The cubic root of 3630406 is about 153.6921663198.

Adding to 3630406 its reverse (6040363), we get a palindrome (9670769).

The spelling of 3630406 in words is "three million, six hundred thirty thousand, four hundred six".