880609 has 4 divisors (see below), whose sum is σ = 888516. Its totient is φ = 872704.

The previous prime is 880603. The next prime is 880661. The reversal of 880609 is 906088.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 451584 = 655^2 + 672^2 .

It is a cyclic number.

It is not a de Polignac number, because 880609 - 2⁹ = 880097 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (880603) 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 3 ways as a sum of consecutive naturals, for example, 3784 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (222129).

2⁸⁸⁰⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

880609 is a deficient number, since it is larger than the sum of its proper divisors (7907).

880609 is a wasteful number, since it uses less digits than its factorization.

880609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 880609 is about 938.4076939156. The cubic root of 880609 is about 95.8504979127.

The spelling of 880609 in words is "eight hundred eighty thousand, six hundred nine".