3604631 has 2 divisors, whose sum is σ = 3604632. Its totient is φ = 3604630.

The previous prime is 3604621. The next prime is 3604681. The reversal of 3604631 is 1364063.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3604631 - 2⁶ = 3604567 is a prime.

It is a super-2 number, since 2×3604631² = 25986729292322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3604597 and 3604606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3604621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802315 + 1802316.

It is an arithmetic number, because the mean of its divisors is an integer number (1802316).

Almost surely, 2^3604631 is an apocalyptic number.

3604631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3604631 is an equidigital number, since it uses as much as digits as its factorization.

3604631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3604631 is about 1898.5865795375. The cubic root of 3604631 is about 153.3275764484.

Adding to 3604631 its reverse (1364063), we get a palindrome (4968694).

The spelling of 3604631 in words is "three million, six hundred four thousand, six hundred thirty-one".