842319205 has 32 divisors (see below), whose sum is σ = 1247500800. Its totient is φ = 531677952.

The previous prime is 842319193. The next prime is 842319209. The reversal of 842319205 is 502913248.

It is not a de Polignac number, because 842319205 - 2⁹ = 842318693 is a prime.

It is a super-2 number, since 2×842319205² = 1419003286223664050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842319209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174616 + ... + 179374.

It is an arithmetic number, because the mean of its divisors is an integer number (38984400).

Almost surely, 2^842319205 is an apocalyptic number.

It is an amenable number.

842319205 is a deficient number, since it is larger than the sum of its proper divisors (405181595).

842319205 is a wasteful number, since it uses less digits than its factorization.

842319205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 842319205 is about 29022.7360012801. The cubic root of 842319205 is about 944.4063552215.

The spelling of 842319205 in words is "eight hundred forty-two million, three hundred nineteen thousand, two hundred five".