19128934 has 16 divisors (see below), whose sum is σ = 32950080. Its totient is φ = 8237160.

The previous prime is 19128931. The next prime is 19128959. The reversal of 19128934 is 43982191.

It is a super-2 number, since 2×19128934² = 731832231952712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19128893 and 19128902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19128931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22464 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (2059380).

Almost surely, 2^19128934 is an apocalyptic number.

19128934 is a deficient number, since it is larger than the sum of its proper divisors (13821146).

19128934 is a wasteful number, since it uses less digits than its factorization.

19128934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45795.

The product of its digits is 15552, while the sum is 37.

The square root of 19128934 is about 4373.6636816289. The cubic root of 19128934 is about 267.4423971231.

The spelling of 19128934 in words is "nineteen million, one hundred twenty-eight thousand, nine hundred thirty-four".