3631667 has 8 divisors (see below), whose sum is σ = 3929856. Its totient is φ = 3336192.

The previous prime is 3631637. The next prime is 3631703. The reversal of 3631667 is 7661363.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3631667 - 2¹⁰ = 3630643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3631637) 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 7 ways as a sum of consecutive naturals, for example, 2798 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (491232).

Almost surely, 2^3631667 is an apocalyptic number.

3631667 is a deficient number, since it is larger than the sum of its proper divisors (298189).

3631667 is a wasteful number, since it uses less digits than its factorization.

3631667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its digits is 13608, while the sum is 32.

The square root of 3631667 is about 1905.6933121570. The cubic root of 3631667 is about 153.7099589475.

The spelling of 3631667 in words is "three million, six hundred thirty-one thousand, six hundred sixty-seven".