98319971 has 4 divisors (see below), whose sum is σ = 99094272. Its totient is φ = 97545672.

The previous prime is 98319961. The next prime is 98319979. The reversal of 98319971 is 17991389.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98319971 - 2¹⁰ = 98318947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98319979) 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, 386960 + ... + 387213.

It is an arithmetic number, because the mean of its divisors is an integer number (24773568).

Almost surely, 2^98319971 is an apocalyptic number.

98319971 is a deficient number, since it is larger than the sum of its proper divisors (774301).

98319971 is a wasteful number, since it uses less digits than its factorization.

98319971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774300.

The product of its digits is 122472, while the sum is 47.

The square root of 98319971 is about 9915.6427426567. The cubic root of 98319971 is about 461.5448548167.

The spelling of 98319971 in words is "ninety-eight million, three hundred nineteen thousand, nine hundred seventy-one".