898458923 has 2 divisors, whose sum is σ = 898458924. Its totient is φ = 898458922.

The previous prime is 898458919. The next prime is 898458937. The reversal of 898458923 is 329854898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898458923 - 2² = 898458919 is a prime.

It is not a weakly prime, because it can be changed into another prime (898458983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449229461 + 449229462.

It is an arithmetic number, because the mean of its divisors is an integer number (449229462).

Almost surely, 2^898458923 is an apocalyptic number.

898458923 is a deficient number, since it is larger than the sum of its proper divisors (1).

898458923 is an equidigital number, since it uses as much as digits as its factorization.

898458923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 56.

The square root of 898458923 is about 29974.3043789176. The cubic root of 898458923 is about 964.9379981104.

The spelling of 898458923 in words is "eight hundred ninety-eight million, four hundred fifty-eight thousand, nine hundred twenty-three".