100898540 has 48 divisors (see below), whose sum is σ = 224592480. Its totient is φ = 38008320.

The previous prime is 100898537. The next prime is 100898543. The reversal of 100898540 is 45898001.

It is an interprime number because it is at equal distance from previous prime (100898537) and next prime (100898543).

It is a self number, because there is not a number n which added to its sum of digits gives 100898540.

It is not an unprimeable number, because it can be changed into a prime (100898543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21659 + ... + 25901.

It is an arithmetic number, because the mean of its divisors is an integer number (4679010).

Almost surely, 2^100898540 is an apocalyptic number.

100898540 is a gapful number since it is divisible by the number (10) 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 100898540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112296240).

100898540 is an abundant number, since it is smaller than the sum of its proper divisors (123693940).

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

100898540 is a wasteful number, since it uses less digits than its factorization.

100898540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 100898540 is about 10044.8265291144. The cubic root of 100898540 is about 465.5449578793.

The spelling of 100898540 in words is "one hundred million, eight hundred ninety-eight thousand, five hundred forty".