3631449 has 4 divisors (see below), whose sum is σ = 4841936. Its totient is φ = 2420964.

The previous prime is 3631427. The next prime is 3631457. The reversal of 3631449 is 9441363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9441363 = 3 ⋅3147121.

It is not a de Polignac number, because 3631449 - 2⁷ = 3631321 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3631469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605239 + ... + 605244.

It is an arithmetic number, because the mean of its divisors is an integer number (1210484).

Almost surely, 2^3631449 is an apocalyptic number.

It is an amenable number.

3631449 is a deficient number, since it is larger than the sum of its proper divisors (1210487).

3631449 is a wasteful number, since it uses less digits than its factorization.

3631449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210486.

The product of its digits is 7776, while the sum is 30.

The square root of 3631449 is about 1905.6361142674. The cubic root of 3631449 is about 153.7068832763.

It can be divided in two parts, 36314 and 49, that added together give a palindrome (36363).

The spelling of 3631449 in words is "three million, six hundred thirty-one thousand, four hundred forty-nine".