100998258 has 16 divisors (see below), whose sum is σ = 213878880. Its totient is φ = 31685696.

The previous prime is 100998203. The next prime is 100998299. The reversal of 100998258 is 852899001.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 494988 + ... + 495191.

It is an arithmetic number, because the mean of its divisors is an integer number (13367430).

Almost surely, 2^100998258 is an apocalyptic number.

100998258 is an abundant number, since it is smaller than the sum of its proper divisors (112880622).

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

100998258 is a wasteful number, since it uses less digits than its factorization.

100998258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990201.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 100998258 is about 10049.7889530079. The cubic root of 100998258 is about 465.6982733688.

The spelling of 100998258 in words is "one hundred million, nine hundred ninety-eight thousand, two hundred fifty-eight".