19000230 has 32 divisors (see below), whose sum is σ = 45771264. Its totient is φ = 5047776.

The previous prime is 19000229. The next prime is 19000243. The reversal of 19000230 is 3200091.

It is a super-2 number, since 2×19000230² = 722017480105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8179 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (1430352).

Almost surely, 2^19000230 is an apocalyptic number.

19000230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19000230 is an abundant number, since it is smaller than the sum of its proper divisors (26771034).

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

19000230 is a wasteful number, since it uses less digits than its factorization.

19000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 19000230 is about 4358.9253262702. The cubic root of 19000230 is about 266.8412415913.

The spelling of 19000230 in words is "nineteen million, two hundred thirty", and thus it is an aban number.