842307 has 4 divisors (see below), whose sum is σ = 1123080. Its totient is φ = 561536.

The previous prime is 842293. The next prime is 842311. The reversal of 842307 is 703248.

842307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 842307 - 2⁴ = 842291 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842307.

It is not an unprimeable number, because it can be changed into a prime (842407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140382 + ... + 140387.

It is an arithmetic number, because the mean of its divisors is an integer number (280770).

2⁸⁴²³⁰⁷ is an apocalyptic number.

842307 is a deficient number, since it is larger than the sum of its proper divisors (280773).

842307 is a wasteful number, since it uses less digits than its factorization.

842307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280772.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 842307 is about 917.7728477134. The cubic root of 842307 is about 94.4401793794.

The spelling of 842307 in words is "eight hundred forty-two thousand, three hundred seven".