8398598408 has 12 divisors (see below), whose sum is σ = 15747858045. Its totient is φ = 4199169600.

The previous prime is 8398598371. The next prime is 8398598423. The reversal of 8398598408 is 8048958938.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4292608324 + 4105990084 = 65518^2 + 64078^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64802.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 243008 + ... + 275408.

Almost surely, 2^8398598408 is an apocalyptic number.

It is an amenable number.

8398598408 is a deficient number, since it is larger than the sum of its proper divisors (7349259637).

8398598408 is an frugal number, since it uses more digits than its factorization.

8398598408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64808 (or 32403 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 62.

The square root of 8398598408 is about 91643.8672689013. The cubic root of 8398598408 is about 2032.6796459914.

The spelling of 8398598408 in words is "eight billion, three hundred ninety-eight million, five hundred ninety-eight thousand, four hundred eight".