19430230 has 8 divisors (see below), whose sum is σ = 34974432. Its totient is φ = 7772088.

The previous prime is 19430221. The next prime is 19430233. The reversal of 19430230 is 3203491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19430233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 971502 + ... + 971521.

It is an arithmetic number, because the mean of its divisors is an integer number (4371804).

Almost surely, 2^19430230 is an apocalyptic number.

19430230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19430230 is a deficient number, since it is larger than the sum of its proper divisors (15544202).

19430230 is a wasteful number, since it uses less digits than its factorization.

19430230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943030.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 19430230 is about 4407.9734572704. The cubic root of 19430230 is about 268.8392326729.

The spelling of 19430230 in words is "nineteen million, four hundred thirty thousand, two hundred thirty".