8673631 has 4 divisors (see below), whose sum is σ = 8684064. Its totient is φ = 8663200.

The previous prime is 8673611. The next prime is 8673677. The reversal of 8673631 is 1363768.

8673631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8673631 - 2¹¹ = 8671583 is a prime.

It is a super-2 number, since 2×8673631² = 150463749448322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8673601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3850 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (2171016).

Almost surely, 2^8673631 is an apocalyptic number.

8673631 is a deficient number, since it is larger than the sum of its proper divisors (10433).

8673631 is an equidigital number, since it uses as much as digits as its factorization.

8673631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432.

The product of its digits is 18144, while the sum is 34.

The square root of 8673631 is about 2945.1028844507. The cubic root of 8673631 is about 205.4630105714.

The spelling of 8673631 in words is "eight million, six hundred seventy-three thousand, six hundred thirty-one".