100404098 has 4 divisors (see below), whose sum is σ = 150606150. Its totient is φ = 50202048.

The previous prime is 100404049. The next prime is 100404107. The reversal of 100404098 is 890404001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890404001 = 37 ⋅24064973.

It can be written as a sum of positive squares in only one way, i.e., 86062729 + 14341369 = 9277^2 + 3787^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25101023 + ... + 25101026.

Almost surely, 2^100404098 is an apocalyptic number.

100404098 is a deficient number, since it is larger than the sum of its proper divisors (50202052).

100404098 is an equidigital number, since it uses as much as digits as its factorization.

100404098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50202051.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 100404098 is about 10020.1845292390. The cubic root of 100404098 is about 464.7832620026.

Adding to 100404098 its reverse (890404001), we get a palindrome (990808099).

The spelling of 100404098 in words is "one hundred million, four hundred four thousand, ninety-eight".