190000098 has 12 divisors (see below), whose sum is σ = 411666918. Its totient is φ = 63333360.

The previous prime is 190000091. The next prime is 190000099. The reversal of 190000098 is 890000091.

It can be written as a sum of positive squares in only one way, i.e., 120494529 + 69505569 = 10977^2 + 8337^2 .

It is a super-2 number, since 2×190000098² = 72200074480019208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190000091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5277763 + ... + 5277798.

Almost surely, 2^190000098 is an apocalyptic number.

190000098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

190000098 is an abundant number, since it is smaller than the sum of its proper divisors (221666820).

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

190000098 is a wasteful number, since it uses less digits than its factorization.

190000098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555569 (or 10555566 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 190000098 is about 13784.0523069234. The cubic root of 190000098 is about 574.8898067352.

The spelling of 190000098 in words is "one hundred ninety million, ninety-eight", and thus it is an aban number.