8632991 has 8 divisors (see below), whose sum is σ = 9195120. Its totient is φ = 8076928.

The previous prime is 8632979. The next prime is 8633021. The reversal of 8632991 is 1992368.

8632991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8632991 - 2⁶ = 8632927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8632901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625 + ... + 4461.

It is an arithmetic number, because the mean of its divisors is an integer number (1149390).

Almost surely, 2^8632991 is an apocalyptic number.

8632991 is a deficient number, since it is larger than the sum of its proper divisors (562129).

8632991 is a wasteful number, since it uses less digits than its factorization.

8632991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033.

The product of its digits is 23328, while the sum is 38.

The square root of 8632991 is about 2938.1951943327. The cubic root of 8632991 is about 205.1416114541.

The spelling of 8632991 in words is "eight million, six hundred thirty-two thousand, nine hundred ninety-one".