609876 has 24 divisors (see below), whose sum is σ = 1581440. Its totient is φ = 203256.

The previous prime is 609859. The next prime is 609877. The reversal of 609876 is 678906.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 609876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716 + ... + 2931.

2⁶⁰⁹⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

609876 is an abundant number, since it is smaller than the sum of its proper divisors (971564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609876 is a wasteful number, since it uses less digits than its factorization.

609876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660 (or 5652 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 609876 is about 780.9455806905. The cubic root of 609876 is about 84.8035138570.

It can be divided in two parts, 609 and 876, that added together give a triangular number (1485 = T₅₄).

The spelling of 609876 in words is "six hundred nine thousand, eight hundred seventy-six".