19004830 has 16 divisors (see below), whose sum is σ = 36840384. Its totient is φ = 7017120.

The previous prime is 19004813. The next prime is 19004833. The reversal of 19004830 is 3840091.

It is a super-2 number, since 2×19004830² = 722367126657800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19004795 and 19004804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19004833) 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, 72966 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (2302524).

Almost surely, 2^19004830 is an apocalyptic number.

19004830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19004830 is a deficient number, since it is larger than the sum of its proper divisors (17835554).

19004830 is a wasteful number, since it uses less digits than its factorization.

19004830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146211.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 19004830 is about 4359.4529473318. The cubic root of 19004830 is about 266.8627741494.

The spelling of 19004830 in words is "nineteen million, four thousand, eight hundred thirty".