19000098 has 24 divisors (see below), whose sum is σ = 44334108. Its totient is φ = 5846112.

The previous prime is 19000087. The next prime is 19000099. The reversal of 19000098 is 89000091.

It can be written as a sum of positive squares in 2 ways, for example, as 18636489 + 363609 = 4317^2 + 603^2 .

It is a super-2 number, since 2×19000098² = 722007448019208, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19000099) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40365 + ... + 40832.

Almost surely, 2^19000098 is an apocalyptic number.

19000098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19000098 is an abundant number, since it is smaller than the sum of its proper divisors (25334010).

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

19000098 is a wasteful number, since it uses less digits than its factorization.

19000098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81218 (or 81215 counting only the distinct ones).

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

The square root of 19000098 is about 4358.9101848971. The cubic root of 19000098 is about 266.8406236492.

The spelling of 19000098 in words is "nineteen million, ninety-eight", and thus it is an aban number and an uban number.