880909 has 2 divisors, whose sum is σ = 880910. Its totient is φ = 880908.

The previous prime is 880907. The next prime is 880939. The reversal of 880909 is 909088.

880909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 275625 = 778^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 880909 - 2¹ = 880907 is a prime.

Together with 880907, it forms a pair of twin primes.

880909 is a modest number, since divided by 909 gives 88 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440454 + 440455.

It is an arithmetic number, because the mean of its divisors is an integer number (440455).

2⁸⁸⁰⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

880909 is a deficient number, since it is larger than the sum of its proper divisors (1).

880909 is an equidigital number, since it uses as much as digits as its factorization.

880909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 880909 is about 938.5675255409. The cubic root of 880909 is about 95.8613812463.

The spelling of 880909 in words is "eight hundred eighty thousand, nine hundred nine".