98129040 has 160 divisors (see below), whose sum is σ = 328907520.
Its totient is φ = 24127488.
The previous prime is 98128999. The next prime is 98129041. The reversal of 98129040 is 4092189.
It is a junction number, because it is equal to n+sod(n) for n = 98128992 and 98129010.
It is not an unprimeable number, because it can be changed into a prime (98129041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159774 + ... + 160386.
It is an arithmetic number, because the mean of its divisors is an integer number (2055672).
Almost surely, 298129040 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 98129040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164453760).
98129040 is an abundant number, since it is smaller than the sum of its proper divisors (230778480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
98129040 is a wasteful number, since it uses less digits than its factorization.
98129040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681 (or 675 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 98129040 is about 9906.0102967845.
The cubic root of 98129040 is about 461.2458978344.
The spelling of 98129040 in words is "ninety-eight million, one hundred twenty-nine thousand, forty".