609884 has 24 divisors (see below), whose sum is σ = 1185408. Its totient is φ = 272240.

The previous prime is 609877. The next prime is 609887. The reversal of 609884 is 488906.

609884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609887) by changing a digit.

609884 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, 3569 + ... + 3735.

It is an arithmetic number, because the mean of its divisors is an integer number (49392).

2⁶⁰⁹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

609884 is a deficient number, since it is larger than the sum of its proper divisors (575524).

609884 is a wasteful number, since it uses less digits than its factorization.

609884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 609884 is about 780.9507026695. The cubic root of 609884 is about 84.8038846565.

The spelling of 609884 in words is "six hundred nine thousand, eight hundred eighty-four".