98424720 has 240 divisors, whose sum is σ = 352602432. Its totient is φ = 25505280.

The previous prime is 98424719. The next prime is 98424727. The reversal of 98424720 is 2742489.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (98424727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1185799 + ... + 1185881.

Almost surely, 2^98424720 is an apocalyptic number.

98424720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98424720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176301216).

98424720 is an abundant number, since it is smaller than the sum of its proper divisors (254177712).

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

98424720 is a wasteful number, since it uses less digits than its factorization.

98424720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 98424720 is about 9920.9233441248. The cubic root of 98424720 is about 461.7087048885.

The spelling of 98424720 in words is "ninety-eight million, four hundred twenty-four thousand, seven hundred twenty".