8641007 has 2 divisors, whose sum is σ = 8641008. Its totient is φ = 8641006.

The previous prime is 8640977. The next prime is 8641063. The reversal of 8641007 is 7001468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8641007 - 2¹² = 8636911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8641097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4320503 + 4320504.

It is an arithmetic number, because the mean of its divisors is an integer number (4320504).

Almost surely, 2^8641007 is an apocalyptic number.

8641007 is a deficient number, since it is larger than the sum of its proper divisors (1).

8641007 is an equidigital number, since it uses as much as digits as its factorization.

8641007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 8641007 is about 2939.5589805275. The cubic root of 8641007 is about 205.2050852627.

The spelling of 8641007 in words is "eight million, six hundred forty-one thousand, seven".