19199434 has 8 divisors (see below), whose sum is σ = 30051360. Its totient is φ = 9182316.

The previous prime is 19199431. The next prime is 19199441. The reversal of 19199434 is 43499191.

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

It is not an unprimeable number, because it can be changed into a prime (19199431) 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, 208644 + ... + 208735.

It is an arithmetic number, because the mean of its divisors is an integer number (3756420).

Almost surely, 2^19199434 is an apocalyptic number.

19199434 is a deficient number, since it is larger than the sum of its proper divisors (10851926).

19199434 is a wasteful number, since it uses less digits than its factorization.

19199434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417404.

The product of its digits is 34992, while the sum is 40.

The square root of 19199434 is about 4381.7158739471. The cubic root of 19199434 is about 267.7705487636.

The spelling of 19199434 in words is "nineteen million, one hundred ninety-nine thousand, four hundred thirty-four".