8898391 has 2 divisors, whose sum is σ = 8898392. Its totient is φ = 8898390.

The previous prime is 8898367. The next prime is 8898419. The reversal of 8898391 is 1938988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8898391 - 2¹⁹ = 8374103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8898301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449195 + 4449196.

It is an arithmetic number, because the mean of its divisors is an integer number (4449196).

Almost surely, 2^8898391 is an apocalyptic number.

8898391 is a deficient number, since it is larger than the sum of its proper divisors (1).

8898391 is an equidigital number, since it uses as much as digits as its factorization.

8898391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 46.

The square root of 8898391 is about 2983.0170968333. The cubic root of 8898391 is about 207.2226206154. Note that the first 3 decimals are identical.

The spelling of 8898391 in words is "eight million, eight hundred ninety-eight thousand, three hundred ninety-one".