659398 has 8 divisors (see below), whose sum is σ = 992592. Its totient is φ = 328536.

The previous prime is 659371. The next prime is 659419. The reversal of 659398 is 893956.

659398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 659398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (124074).

2⁶⁵⁹³⁹⁸ is an apocalyptic number.

659398 is a deficient number, since it is larger than the sum of its proper divisors (333194).

659398 is a wasteful number, since it uses less digits than its factorization.

659398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its digits is 58320, while the sum is 40.

The square root of 659398 is about 812.0332505507. The cubic root of 659398 is about 87.0393973148.

The spelling of 659398 in words is "six hundred fifty-nine thousand, three hundred ninety-eight".