19430066 has 8 divisors (see below), whose sum is σ = 29823024. Its totient is φ = 9489060.

The previous prime is 19430053. The next prime is 19430071. The reversal of 19430066 is 66003491.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112880 + ... + 113051.

It is an arithmetic number, because the mean of its divisors is an integer number (3727878).

Almost surely, 2^19430066 is an apocalyptic number.

19430066 is a deficient number, since it is larger than the sum of its proper divisors (10392958).

19430066 is a wasteful number, since it uses less digits than its factorization.

19430066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225976.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 19430066 is about 4407.9548545783. The cubic root of 19430066 is about 268.8384762955.

The spelling of 19430066 in words is "nineteen million, four hundred thirty thousand, sixty-six".