19040230 has 32 divisors (see below), whose sum is σ = 37635840. Its totient is φ = 6877920.

The previous prime is 19040213. The next prime is 19040249. The reversal of 19040230 is 3204091.

It is a junction number, because it is equal to n+sod(n) for n = 19040198 and 19040207.

It is a congruent number.

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, 19207 + ... + 20173.

It is an arithmetic number, because the mean of its divisors is an integer number (1176120).

Almost surely, 2^19040230 is an apocalyptic number.

19040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19040230 is a deficient number, since it is larger than the sum of its proper divisors (18595610).

19040230 is a wasteful number, since it uses less digits than its factorization.

19040230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 19040230 is about 4363.5112008565. The cubic root of 19040230 is about 267.0283650844.

The spelling of 19040230 in words is "nineteen million, forty thousand, two hundred thirty".