659498 has 24 divisors (see below), whose sum is σ = 1208352. Its totient is φ = 264384.

The previous prime is 659497. The next prime is 659501. The reversal of 659498 is 894956.

It is a super-2 number, since 2×659498² = 869875224008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659497) 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, 3965 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (50348).

2⁶⁵⁹⁴⁹⁸ is an apocalyptic number.

659498 is a deficient number, since it is larger than the sum of its proper divisors (548854).

659498 is a wasteful number, since it uses less digits than its factorization.

659498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 189 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 659498 is about 812.0948220497. The cubic root of 659498 is about 87.0437970349.

The spelling of 659498 in words is "six hundred fifty-nine thousand, four hundred ninety-eight".