19829804 has 12 divisors (see below), whose sum is σ = 34737864. Its totient is φ = 9904704.

The previous prime is 19829783. The next prime is 19829809. The reversal of 19829804 is 40892891.

It is a super-2 number, since 2×19829804² = 786442253356832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19829809) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3332 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (2894822).

Almost surely, 2^19829804 is an apocalyptic number.

It is an amenable number.

19829804 is a deficient number, since it is larger than the sum of its proper divisors (14908060).

19829804 is a wasteful number, since it uses less digits than its factorization.

19829804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 19829804 is about 4453.0668083917. The cubic root of 19829804 is about 270.6695954720.

The spelling of 19829804 in words is "nineteen million, eight hundred twenty-nine thousand, eight hundred four".