100998340 has 48 divisors (see below), whose sum is σ = 217324800. Its totient is φ = 39416832.

The previous prime is 100998323. The next prime is 100998349. The reversal of 100998340 is 43899001.

It is a junction number, because it is equal to n+sod(n) for n = 100998296 and 100998305.

It is not an unprimeable number, because it can be changed into a prime (100998349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152931 + ... + 153589.

It is an arithmetic number, because the mean of its divisors is an integer number (4527600).

Almost surely, 2^100998340 is an apocalyptic number.

100998340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100998340 is an abundant number, since it is smaller than the sum of its proper divisors (116326460).

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

100998340 is a wasteful number, since it uses less digits than its factorization.

100998340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 100998340 is about 10049.7930326948. The cubic root of 100998340 is about 465.6983994015.

The spelling of 100998340 in words is "one hundred million, nine hundred ninety-eight thousand, three hundred forty".