898667 has 12 divisors (see below), whose sum is σ = 1129968. Its totient is φ = 699600.

The previous prime is 898663. The next prime is 898669. The reversal of 898667 is 766898.

It is not a de Polignac number, because 898667 - 2² = 898663 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (94164).

2⁸⁹⁸⁶⁶⁷ is an apocalyptic number.

898667 is a deficient number, since it is larger than the sum of its proper divisors (231301).

898667 is a wasteful number, since it uses less digits than its factorization.

898667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1079 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 898667 is about 947.9804850312. The cubic root of 898667 is about 96.5012483395.

Subtracting from 898667 its reverse (766898), we obtain a square (131769 = 363²).

The spelling of 898667 in words is "eight hundred ninety-eight thousand, six hundred sixty-seven".