898641 has 16 divisors (see below), whose sum is σ = 1350720. Its totient is φ = 590400.

The previous prime is 898621. The next prime is 898661. The reversal of 898641 is 146898.

It is a happy number.

898641 is a `hidden beast` number, since 8 + 9 + 8 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (898621) and next prime (898661).

It is not a de Polignac number, because 898641 - 2⁹ = 898129 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 898596 and 898605.

It is not an unprimeable number, because it can be changed into a prime (898621) 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 15 ways as a sum of consecutive naturals, for example, 2041 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (84420).

2⁸⁹⁸⁶⁴¹ is an apocalyptic number.

It is an amenable number.

898641 is a deficient number, since it is larger than the sum of its proper divisors (452079).

898641 is a wasteful number, since it uses less digits than its factorization.

898641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 898641 is about 947.9667715696. The cubic root of 898641 is about 96.5003176809.

The spelling of 898641 in words is "eight hundred ninety-eight thousand, six hundred forty-one".