19012098 has 24 divisors (see below), whose sum is σ = 44232912. Its totient is φ = 5431944.

The previous prime is 19012093. The next prime is 19012153. The reversal of 19012098 is 89021091.

It is a super-2 number, since 2×19012098² = 722919740723208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19012093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32040 + ... + 32627.

It is an arithmetic number, because the mean of its divisors is an integer number (1843038).

Almost surely, 2^19012098 is an apocalyptic number.

19012098 is an abundant number, since it is smaller than the sum of its proper divisors (25220814).

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

19012098 is a wasteful number, since it uses less digits than its factorization.

19012098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64686 (or 64679 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 19012098 is about 4360.2864584795. The cubic root of 19012098 is about 266.8967885104.

The spelling of 19012098 in words is "nineteen million, twelve thousand, ninety-eight".