609830 has 16 divisors (see below), whose sum is σ = 1182384. Its totient is φ = 225120.

The previous prime is 609821. The next prime is 609859. The reversal of 609830 is 38906.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 609830.

It is a congruent number.

It is an unprimeable number.

609830 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, 2216 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (73899).

2⁶⁰⁹⁸³⁰ is an apocalyptic number.

609830 is a deficient number, since it is larger than the sum of its proper divisors (572554).

609830 is a wasteful number, since it uses less digits than its factorization.

609830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 609830 is about 780.9161286592. The cubic root of 609830 is about 84.8013816970.

The spelling of 609830 in words is "six hundred nine thousand, eight hundred thirty".