8238998408 has 8 divisors (see below), whose sum is σ = 15448122030. Its totient is φ = 4119499200.

The previous prime is 8238998393. The next prime is 8238998413. The reversal of 8238998408 is 8048998328.

It can be written as a sum of positive squares in only one way, i.e., 6219215044 + 2019783364 = 78862^2 + 44942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514937393 + ... + 514937408.

Almost surely, 2^8238998408 is an apocalyptic number.

It is an amenable number.

8238998408 is a deficient number, since it is larger than the sum of its proper divisors (7209123622).

8238998408 is a wasteful number, since it uses less digits than its factorization.

8238998408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029874807 (or 1029874803 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 59.

The square root of 8238998408 is about 90768.9286485194. The cubic root of 8238998408 is about 2019.7214274540.

The spelling of 8238998408 in words is "eight billion, two hundred thirty-eight million, nine hundred ninety-eight thousand, four hundred eight".