98397839 has 8 divisors (see below), whose sum is σ = 100403712. Its totient is φ = 96397600.

The previous prime is 98397833. The next prime is 98397869. The reversal of 98397839 is 93879389.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98397839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98397833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60197 + ... + 61809.

It is an arithmetic number, because the mean of its divisors is an integer number (12550464).

Almost surely, 2^98397839 is an apocalyptic number.

98397839 is a deficient number, since it is larger than the sum of its proper divisors (2005873).

98397839 is a wasteful number, since it uses less digits than its factorization.

98397839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817.

The product of its digits is 2939328, while the sum is 56.

The square root of 98397839 is about 9919.5684885987. The cubic root of 98397839 is about 461.6666682885. Note that the first 5 decimals are identical.

The spelling of 98397839 in words is "ninety-eight million, three hundred ninety-seven thousand, eight hundred thirty-nine".