19130830 has 16 divisors (see below), whose sum is σ = 34498224. Its totient is φ = 7638400.

The previous prime is 19130803. The next prime is 19130843. The reversal of 19130830 is 3803191.

It is a junction number, because it is equal to n+sod(n) for n = 19130795 and 19130804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430 + ... + 8230.

It is an arithmetic number, because the mean of its divisors is an integer number (2156139).

Almost surely, 2^19130830 is an apocalyptic number.

19130830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19130830 is a deficient number, since it is larger than the sum of its proper divisors (15367394).

19130830 is a wasteful number, since it uses less digits than its factorization.

19130830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 19130830 is about 4373.8804281782. The cubic root of 19130830 is about 267.4512328487.

The spelling of 19130830 in words is "nineteen million, one hundred thirty thousand, eight hundred thirty".