898659 has 12 divisors (see below), whose sum is σ = 1340352. Its totient is φ = 579600.

The previous prime is 898621. The next prime is 898661. The reversal of 898659 is 956898.

It is not a de Polignac number, because 898659 - 2⁹ = 898147 is a prime.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898659.

It is not an unprimeable number, because it can be changed into a prime (898669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1332 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (111696).

2⁸⁹⁸⁶⁵⁹ is an apocalyptic number.

898659 is a deficient number, since it is larger than the sum of its proper divisors (441693).

898659 is a wasteful number, since it uses less digits than its factorization.

898659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258 (or 3255 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 898659 is about 947.9762655257. The cubic root of 898659 is about 96.5009619849.

Adding to 898659 its sum of digits (45), we get a square (898704 = 948²).

It can be divided in two parts, 8986 and 59, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 898659 in words is "eight hundred ninety-eight thousand, six hundred fifty-nine".