98106840 has 96 divisors (see below), whose sum is σ = 343390320. Its totient is φ = 24148224.

The previous prime is 98106839. The next prime is 98106859. The reversal of 98106840 is 4860189.

It is a happy number.

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 = 98106795 and 98106804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5802 + ... + 15161.

Almost surely, 2^98106840 is an apocalyptic number.

98106840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98106840 is an abundant number, since it is smaller than the sum of its proper divisors (245283480).

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

98106840 is a wasteful number, since it uses less digits than its factorization.

98106840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993 (or 20986 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 98106840 is about 9904.8897015565. The cubic root of 98106840 is about 461.2111122391.

The spelling of 98106840 in words is "ninety-eight million, one hundred six thousand, eight hundred forty".