19468904 has 64 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 7524864.

The previous prime is 19468853. The next prime is 19468907. The reversal of 19468904 is 40986491.

It is a super-2 number, since 2×19468904² = 758076445922432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19468907) 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, 33932 + ... + 34500.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^19468904 is an apocalyptic number.

19468904 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 19468904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22982400).

19468904 is an abundant number, since it is smaller than the sum of its proper divisors (26495896).

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

19468904 is a wasteful number, since it uses less digits than its factorization.

19468904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 19468904 is about 4412.3580997013. The cubic root of 19468904 is about 269.0174806567.

The spelling of 19468904 in words is "nineteen million, four hundred sixty-eight thousand, nine hundred four".