8389970398 has 4 divisors (see below), whose sum is σ = 12584955600. Its totient is φ = 4194985198.

The previous prime is 8389970341. The next prime is 8389970489. The reversal of 8389970398 is 8930799838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8930799838 = 2 ⋅4465399919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097492598 + ... + 2097492601.

It is an arithmetic number, because the mean of its divisors is an integer number (3146238900).

Almost surely, 2^8389970398 is an apocalyptic number.

8389970398 is a deficient number, since it is larger than the sum of its proper divisors (4194985202).

8389970398 is a wasteful number, since it uses less digits than its factorization.

8389970398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194985201.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The square root of 8389970398 is about 91596.7815919315. The cubic root of 8389970398 is about 2031.9833397520.

The spelling of 8389970398 in words is "eight billion, three hundred eighty-nine million, nine hundred seventy thousand, three hundred ninety-eight".