19429794 has 24 divisors (see below), whose sum is σ = 43658160. Its totient is φ = 6476436.

The previous prime is 19429783. The next prime is 19429819. The reversal of 19429794 is 49792491.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19504 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (1819090).

Almost surely, 2^19429794 is an apocalyptic number.

19429794 is an abundant number, since it is smaller than the sum of its proper divisors (24228366).

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

19429794 is an equidigital number, since it uses as much as digits as its factorization.

19429794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39996 (or 39984 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 19429794 is about 4407.9240011597. The cubic root of 19429794 is about 268.8372218066.

The spelling of 19429794 in words is "nineteen million, four hundred twenty-nine thousand, seven hundred ninety-four".