98819424 has 72 divisors (see below), whose sum is σ = 306574632. Its totient is φ = 29944320.

The previous prime is 98819423. The next prime is 98819447. The reversal of 98819424 is 42491889.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 98819424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98819423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12429 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (4257981).

Almost surely, 2^98819424 is an apocalyptic number.

It is an amenable number.

98819424 is an abundant number, since it is smaller than the sum of its proper divisors (207755208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98819424 is a wasteful number, since it uses less digits than its factorization.

98819424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220 (or 31209 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 98819424 is about 9940.7959439876. The cubic root of 98819424 is about 462.3250649832.

The spelling of 98819424 in words is "ninety-eight million, eight hundred nineteen thousand, four hundred twenty-four".