842207 has 4 divisors (see below), whose sum is σ = 851760. Its totient is φ = 832656.

The previous prime is 842203. The next prime is 842209. The reversal of 842207 is 702248.

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 842207 - 2² = 842203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842203) 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, 4643 + ... + 4820.

It is an arithmetic number, because the mean of its divisors is an integer number (212940).

2⁸⁴²²⁰⁷ is an apocalyptic number.

842207 is a deficient number, since it is larger than the sum of its proper divisors (9553).

842207 is an equidigital number, since it uses as much as digits as its factorization.

842207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 842207 is about 917.7183663848. The cubic root of 842207 is about 94.4364418697.

The spelling of 842207 in words is "eight hundred forty-two thousand, two hundred seven".