898664 has 16 divisors (see below), whose sum is σ = 1814820. Its totient is φ = 414720.

The previous prime is 898663. The next prime is 898669. The reversal of 898664 is 466898.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 209764 = 830^2 + 458^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898664.

It is not an unprimeable number, because it can be changed into a prime (898661) 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 in 3 ways as a sum of consecutive naturals, for example, 4217 + ... + 4424.

2⁸⁹⁸⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

898664 is an abundant number, since it is smaller than the sum of its proper divisors (916156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898664 is a wasteful number, since it uses less digits than its factorization.

898664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660 (or 8656 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 898664 is about 947.9789027188. The cubic root of 898664 is about 96.5011409567.

The spelling of 898664 in words is "eight hundred ninety-eight thousand, six hundred sixty-four".