98998719 has 16 divisors (see below), whose sum is σ = 133728000. Its totient is φ = 65140416.

The previous prime is 98998709. The next prime is 98998747. The reversal of 98998719 is 91789989.

It is not a de Polignac number, because 98998719 - 2⁵ = 98998687 is a prime.

It is a super-2 number, since 2×98998719² = 19601492727281922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98998709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82387 + ... + 83579.

It is an arithmetic number, because the mean of its divisors is an integer number (8358000).

Almost surely, 2^98998719 is an apocalyptic number.

98998719 is a deficient number, since it is larger than the sum of its proper divisors (34729281).

98998719 is a wasteful number, since it uses less digits than its factorization.

98998719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its digits is 2939328, while the sum is 60.

The square root of 98998719 is about 9949.8099981859. The cubic root of 98998719 is about 462.6045056271.

The spelling of 98998719 in words is "ninety-eight million, nine hundred ninety-eight thousand, seven hundred nineteen".