19134384 has 80 divisors (see below), whose sum is σ = 53032320. Its totient is φ = 5923840.

The previous prime is 19134371. The next prime is 19134397. The reversal of 19134384 is 48343191.

It is an interprime number because it is at equal distance from previous prime (19134371) and next prime (19134397).

It is a super-2 number, since 2×19134384² = 732249302118912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106807 + ... + 106985.

It is an arithmetic number, because the mean of its divisors is an integer number (662904).

Almost surely, 2^19134384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19134384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26516160).

19134384 is an abundant number, since it is smaller than the sum of its proper divisors (33897936).

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

19134384 is a wasteful number, since it uses less digits than its factorization.

19134384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 332 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 19134384 is about 4374.2866847064. The cubic root of 19134384 is about 267.4677936013.

The spelling of 19134384 in words is "nineteen million, one hundred thirty-four thousand, three hundred eighty-four".