898214643 has 16 divisors (see below), whose sum is σ = 1353244800. Its totient is φ = 588659400.

The previous prime is 898214623. The next prime is 898214657. The reversal of 898214643 is 346412898.

It is a happy number.

It is not a de Polignac number, because 898214643 - 2⁶ = 898214579 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (898214623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280333 + ... + 283518.

It is an arithmetic number, because the mean of its divisors is an integer number (84577800).

Almost surely, 2^898214643 is an apocalyptic number.

898214643 is a deficient number, since it is larger than the sum of its proper divisors (455030157).

898214643 is a wasteful number, since it uses less digits than its factorization.

898214643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563919 (or 563913 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 898214643 is about 29970.2292784023. The cubic root of 898214643 is about 964.8505385676.

The spelling of 898214643 in words is "eight hundred ninety-eight million, two hundred fourteen thousand, six hundred forty-three".