871430394 has 16 divisors (see below), whose sum is σ = 1818637632. Its totient is φ = 277847328.

The previous prime is 871430393. The next prime is 871430407. The reversal of 871430394 is 493034178.

It is not an unprimeable number, because it can be changed into a prime (871430393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157219 + ... + 3157494.

It is an arithmetic number, because the mean of its divisors is an integer number (113664852).

Almost surely, 2^871430394 is an apocalyptic number.

871430394 is an abundant number, since it is smaller than the sum of its proper divisors (947207238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871430394 is a wasteful number, since it uses less digits than its factorization.

871430394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314741.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 871430394 is about 29519.9998983740. Note that the first 3 decimals coincide. The cubic root of 871430394 is about 955.1631690350.

The spelling of 871430394 in words is "eight hundred seventy-one million, four hundred thirty thousand, three hundred ninety-four".