19648364 has 6 divisors (see below), whose sum is σ = 34384644. Its totient is φ = 9824180.

The previous prime is 19648339. The next prime is 19648381. The reversal of 19648364 is 46384691.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2456042 + ... + 2456049.

It is an arithmetic number, because the mean of its divisors is an integer number (5730774).

Almost surely, 2^19648364 is an apocalyptic number.

It is an amenable number.

19648364 is a deficient number, since it is larger than the sum of its proper divisors (14736280).

19648364 is a wasteful number, since it uses less digits than its factorization.

19648364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912095 (or 4912093 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 19648364 is about 4432.6475158758. The cubic root of 19648364 is about 269.8415348143.

The spelling of 19648364 in words is "nineteen million, six hundred forty-eight thousand, three hundred sixty-four".