98311389 has 8 divisors (see below), whose sum is σ = 142998432. Its totient is φ = 59582640.

The previous prime is 98311349. The next prime is 98311427.

It is a happy number.

98311389 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 98311389 - 2¹⁶ = 98245853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98311389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98311309) 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, 1489534 + ... + 1489599.

It is an arithmetic number, because the mean of its divisors is an integer number (17874804).

Almost surely, 2^98311389 is an apocalyptic number.

It is an amenable number.

98311389 is a deficient number, since it is larger than the sum of its proper divisors (44687043).

98311389 is a wasteful number, since it uses less digits than its factorization.

98311389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979147.

The product of its digits is 46656, while the sum is 42.

The square root of 98311389 is about 9915.2099826479. The cubic root of 98311389 is about 461.5314255573.

The spelling of 98311389 in words is "ninety-eight million, three hundred eleven thousand, three hundred eighty-nine".