19468644 has 24 divisors (see below), whose sum is σ = 48921600. Its totient is φ = 5990304.

The previous prime is 19468639. The next prime is 19468667. The reversal of 19468644 is 44686491.

It is a junction number, because it is equal to n+sod(n) for n = 19468596 and 19468605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62244 + ... + 62555.

It is an arithmetic number, because the mean of its divisors is an integer number (2038400).

Almost surely, 2^19468644 is an apocalyptic number.

It is an amenable number.

19468644 is an abundant number, since it is smaller than the sum of its proper divisors (29452956).

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

19468644 is a wasteful number, since it uses less digits than its factorization.

19468644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124819 (or 124817 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 19468644 is about 4412.3286368991. The cubic root of 19468644 is about 269.0162831084.

The spelling of 19468644 in words is "nineteen million, four hundred sixty-eight thousand, six hundred forty-four".