100450998 has 24 divisors (see below), whose sum is σ = 217854000. Its totient is φ = 33451344.

The previous prime is 100450997. The next prime is 100451017. The reversal of 100450998 is 899054001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100450997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23188 + ... + 27176.

It is an arithmetic number, because the mean of its divisors is an integer number (9077250).

Almost surely, 2^100450998 is an apocalyptic number.

100450998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100450998 is an abundant number, since it is smaller than the sum of its proper divisors (117403002).

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

100450998 is a wasteful number, since it uses less digits than its factorization.

100450998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396 (or 5393 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 100450998 is about 10022.5245322723. The cubic root of 100450998 is about 464.8556194137.

The spelling of 100450998 in words is "one hundred million, four hundred fifty thousand, nine hundred ninety-eight".