19388996 has 24 divisors (see below), whose sum is σ = 37573536. Its totient is φ = 8680320.

The previous prime is 19388989. The next prime is 19389017. The reversal of 19388996 is 69988391.

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, 341 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (1565564).

Almost surely, 2^19388996 is an apocalyptic number.

It is an amenable number.

19388996 is a deficient number, since it is larger than the sum of its proper divisors (18184540).

19388996 is a wasteful number, since it uses less digits than its factorization.

19388996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659 (or 6657 counting only the distinct ones).

The product of its digits is 839808, while the sum is 53.

The square root of 19388996 is about 4403.2937671702. The cubic root of 19388996 is about 268.6489249621.

The spelling of 19388996 in words is "nineteen million, three hundred eighty-eight thousand, nine hundred ninety-six".