98909424 has 100 divisors (see below), whose sum is σ = 288616944. Its totient is φ = 32700672.

The previous prime is 98909423. The next prime is 98909443. The reversal of 98909424 is 42490989.

It is a self number, because there is not a number n which added to its sum of digits gives 98909424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98909423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 216204 + ... + 216660.

Almost surely, 2^98909424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98909424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144308472).

98909424 is an abundant number, since it is smaller than the sum of its proper divisors (189707520).

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

98909424 is a wasteful number, since it uses less digits than its factorization.

98909424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 98909424 is about 9945.3217142534. The cubic root of 98909424 is about 462.4653769066.

The spelling of 98909424 in words is "ninety-eight million, nine hundred nine thousand, four hundred twenty-four".