9421071884 has 12 divisors (see below), whose sum is σ = 18842143824. Its totient is φ = 4037602224.

The previous prime is 9421071841. The next prime is 9421071889. The reversal of 9421071884 is 4881701249.

9421071884 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9421071889) 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, 168233399 + ... + 168233454.

It is an arithmetic number, because the mean of its divisors is an integer number (1570178652).

Almost surely, 2^9421071884 is an apocalyptic number.

It is an amenable number.

9421071884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9421071884 is a wasteful number, since it uses less digits than its factorization.

9421071884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336466864 (or 336466862 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 9421071884 is about 97062.2062596972. The cubic root of 9421071884 is about 2112.0301121907.

The spelling of 9421071884 in words is "nine billion, four hundred twenty-one million, seventy-one thousand, eight hundred eighty-four".