9984006398 has 8 divisors (see below), whose sum is σ = 15856951392. Its totient is φ = 4698355936.

The previous prime is 9984006377. The next prime is 9984006421. The reversal of 9984006398 is 8936004899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146823590 + ... + 146823657.

It is an arithmetic number, because the mean of its divisors is an integer number (1982118924).

Almost surely, 2^9984006398 is an apocalyptic number.

9984006398 is a deficient number, since it is larger than the sum of its proper divisors (5872944994).

9984006398 is a wasteful number, since it uses less digits than its factorization.

9984006398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293647266.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 9984006398 is about 99919.9999899920. Note that the first 4 decimals coincide. The cubic root of 9984006398 is about 2153.2855047947.

The spelling of 9984006398 in words is "nine billion, nine hundred eighty-four million, six thousand, three hundred ninety-eight".