8888491 has 2 divisors, whose sum is σ = 8888492. Its totient is φ = 8888490.

The previous prime is 8888489. The next prime is 8888497. The reversal of 8888491 is 1948888.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8888491 - 2¹ = 8888489 is a prime.

Together with 8888489, it forms a pair of twin primes.

8888491 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8888497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444245 + 4444246.

It is an arithmetic number, because the mean of its divisors is an integer number (4444246).

Almost surely, 2^8888491 is an apocalyptic number.

8888491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8888491 is an equidigital number, since it uses as much as digits as its factorization.

8888491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 46.

The square root of 8888491 is about 2981.3572412577. The cubic root of 8888491 is about 207.1457428509.

The spelling of 8888491 in words is "eight million, eight hundred eighty-eight thousand, four hundred ninety-one".