19799304 has 64 divisors (see below), whose sum is σ = 57446400. Its totient is φ = 5569344.

The previous prime is 19799293. The next prime is 19799309. The reversal of 19799304 is 40399791.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (19799309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10377 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (897600).

Almost surely, 2^19799304 is an apocalyptic number.

19799304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19799304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28723200).

19799304 is an abundant number, since it is smaller than the sum of its proper divisors (37647096).

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

19799304 is a wasteful number, since it uses less digits than its factorization.

19799304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 19799304 is about 4449.6408843861. The cubic root of 19799304 is about 270.5307529700.

The spelling of 19799304 in words is "nineteen million, seven hundred ninety-nine thousand, three hundred four".