19424804 has 12 divisors (see below), whose sum is σ = 38849664. Its totient is φ = 8324904.

The previous prime is 19424803. The next prime is 19424843. The reversal of 19424804 is 40842491.

19424804 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (19424803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346844 + ... + 346899.

It is an arithmetic number, because the mean of its divisors is an integer number (3237472).

Almost surely, 2^19424804 is an apocalyptic number.

19424804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19424804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19424804 is a wasteful number, since it uses less digits than its factorization.

19424804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693754 (or 693752 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 19424804 is about 4407.3579387202. The cubic root of 19424804 is about 268.8142053918.

The spelling of 19424804 in words is "nineteen million, four hundred twenty-four thousand, eight hundred four".