98318340 has 96 divisors (see below), whose sum is σ = 308031360. Its totient is φ = 26034048.

The previous prime is 98318321. The next prime is 98318347. The reversal of 98318340 is 4381389.

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

It is a junction number, because it is equal to n+sod(n) for n = 98318295 and 98318304.

It is not an unprimeable number, because it can be changed into a prime (98318347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87462 + ... + 88578.

It is an arithmetic number, because the mean of its divisors is an integer number (3208660).

Almost surely, 2^98318340 is an apocalyptic number.

98318340 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 98318340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154015680).

98318340 is an abundant number, since it is smaller than the sum of its proper divisors (209713020).

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

98318340 is a wasteful number, since it uses less digits than its factorization.

98318340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 98318340 is about 9915.5604985296. The cubic root of 98318340 is about 461.5423026603.

The spelling of 98318340 in words is "ninety-eight million, three hundred eighteen thousand, three hundred forty".