3631347 has 6 divisors (see below), whose sum is σ = 5245292. Its totient is φ = 2420892.

The previous prime is 3631343. The next prime is 3631349. The reversal of 3631347 is 7431363.

It is a happy number.

It is not a de Polignac number, because 3631347 - 2² = 3631343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3631347.

It is not an unprimeable number, because it can be changed into a prime (3631343) 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, 201733 + ... + 201750.

Almost surely, 2^3631347 is an apocalyptic number.

3631347 is a deficient number, since it is larger than the sum of its proper divisors (1613945).

3631347 is a wasteful number, since it uses less digits than its factorization.

3631347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403489 (or 403486 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 3631347 is about 1905.6093513624. The cubic root of 3631347 is about 153.7054441584.

The spelling of 3631347 in words is "three million, six hundred thirty-one thousand, three hundred forty-seven".