842306 has 8 divisors (see below), whose sum is σ = 1318464. Its totient is φ = 402820.

The previous prime is 842293. The next prime is 842311. The reversal of 842306 is 603248.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9110 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (164808).

2⁸⁴²³⁰⁶ is an apocalyptic number.

842306 is a deficient number, since it is larger than the sum of its proper divisors (476158).

842306 is a wasteful number, since it uses less digits than its factorization.

842306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 842306 is about 917.7723029161. The cubic root of 842306 is about 94.4401420057.

The spelling of 842306 in words is "eight hundred forty-two thousand, three hundred six".