9649867 has 2 divisors, whose sum is σ = 9649868. Its totient is φ = 9649866.

The previous prime is 9649847. The next prime is 9649877. The reversal of 9649867 is 7689469.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9649867 - 2¹¹ = 9647819 is a prime.

9649867 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9649867.

It is not a weakly prime, because it can be changed into another prime (9649847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824933 + 4824934.

It is an arithmetic number, because the mean of its divisors is an integer number (4824934).

Almost surely, 2^9649867 is an apocalyptic number.

9649867 is a deficient number, since it is larger than the sum of its proper divisors (1).

9649867 is an equidigital number, since it uses as much as digits as its factorization.

9649867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 9649867 is about 3106.4235062206. The cubic root of 9649867 is about 212.8990756710.

The spelling of 9649867 in words is "nine million, six hundred forty-nine thousand, eight hundred sixty-seven".