659090 has 16 divisors (see below), whose sum is σ = 1256472. Its totient is φ = 248064.

The previous prime is 659077. The next prime is 659101. The reversal of 659090 is 90956.

It can be written as a sum of positive squares in 4 ways, for example, as 537289 + 121801 = 733^2 + 349^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 659090.

It is an unprimeable number.

659090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 2108.

2⁶⁵⁹⁰⁹⁰ is an apocalyptic number.

659090 is a deficient number, since it is larger than the sum of its proper divisors (597382).

659090 is a wasteful number, since it uses less digits than its factorization.

659090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 659090 is about 811.8435809933. The cubic root of 659090 is about 87.0258433816.

The spelling of 659090 in words is "six hundred fifty-nine thousand, ninety".