898506 has 32 divisors (see below), whose sum is σ = 2282880. Its totient is φ = 256608.

The previous prime is 898493. The next prime is 898519. The reversal of 898506 is 605898.

It is an interprime number because it is at equal distance from previous prime (898493) and next prime (898519).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (71340).

2⁸⁹⁸⁵⁰⁶ is an apocalyptic number.

898506 is an abundant number, since it is smaller than the sum of its proper divisors (1384374).

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

898506 is a wasteful number, since it uses less digits than its factorization.

898506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 898506 is about 947.8955638677. The cubic root of 898506 is about 96.4954851262.

Subtracting from 898506 its sum of digits (36), we obtain a triangular number (898470 = T₁₃₄₀).

The spelling of 898506 in words is "eight hundred ninety-eight thousand, five hundred six".