9404931428 has 12 divisors (see below), whose sum is σ = 16808813952. Its totient is φ = 4602413160.

The previous prime is 9404931427. The next prime is 9404931463. The reversal of 9404931428 is 8241394049.

It is not an unprimeable number, because it can be changed into a prime (9404931427) 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, 25012928 + ... + 25013303.

It is an arithmetic number, because the mean of its divisors is an integer number (1400734496).

Almost surely, 2^9404931428 is an apocalyptic number.

It is an amenable number.

9404931428 is a deficient number, since it is larger than the sum of its proper divisors (7403882524).

9404931428 is a wasteful number, since it uses less digits than its factorization.

9404931428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50026282 (or 50026280 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 9404931428 is about 96979.0257117486. The cubic root of 9404931428 is about 2110.8232921471.

The spelling of 9404931428 in words is "nine billion, four hundred four million, nine hundred thirty-one thousand, four hundred twenty-eight".