659449 has 4 divisors (see below), whose sum is σ = 753664. Its totient is φ = 565236.

The previous prime is 659437. The next prime is 659453. The reversal of 659449 is 944956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 659449 - 2¹³ = 651257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47097 + ... + 47110.

It is an arithmetic number, because the mean of its divisors is an integer number (188416).

2⁶⁵⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

659449 is a deficient number, since it is larger than the sum of its proper divisors (94215).

659449 is an equidigital number, since it uses as much as digits as its factorization.

659449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94214.

The product of its digits is 38880, while the sum is 37.

The square root of 659449 is about 812.0646525985. The cubic root of 659449 is about 87.0416412276.

The spelling of 659449 in words is "six hundred fifty-nine thousand, four hundred forty-nine".