19130838 has 8 divisors (see below), whose sum is σ = 38261688. Its totient is φ = 6376944.

The previous prime is 19130803. The next prime is 19130843. The reversal of 19130838 is 83803191.

It is a sphenic number, since it is the product of 3 distinct primes.

19130838 is an admirable number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 19130799 and 19130808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594231 + ... + 1594242.

It is an arithmetic number, because the mean of its divisors is an integer number (4782711).

Almost surely, 2^19130838 is an apocalyptic number.

19130838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19130838 is a wasteful number, since it uses less digits than its factorization.

19130838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188478.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 19130838 is about 4373.8813426978. The cubic root of 19130838 is about 267.4512701290.

The spelling of 19130838 in words is "nineteen million, one hundred thirty thousand, eight hundred thirty-eight".