19144098 has 12 divisors (see below), whose sum is σ = 41478918. Its totient is φ = 6381360.

The previous prime is 19144093. The next prime is 19144117. The reversal of 19144098 is 89044191.

It can be written as a sum of positive squares in only one way, i.e., 17164449 + 1979649 = 4143^2 + 1407^2 .

It is not an unprimeable number, because it can be changed into a prime (19144093) 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, 531763 + ... + 531798.

Almost surely, 2^19144098 is an apocalyptic number.

19144098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19144098 is an abundant number, since it is smaller than the sum of its proper divisors (22334820).

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

19144098 is a wasteful number, since it uses less digits than its factorization.

19144098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063569 (or 1063566 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 19144098 is about 4375.3968962827. The cubic root of 19144098 is about 267.5130479559.

The spelling of 19144098 in words is "nineteen million, one hundred forty-four thousand, ninety-eight".