19481996 has 6 divisors (see below), whose sum is σ = 34093500. Its totient is φ = 9740996.

The previous prime is 19481963. The next prime is 19482019. The reversal of 19481996 is 69918491.

It is a self number, because there is not a number n which added to its sum of digits gives 19481996.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435246 + ... + 2435253.

It is an arithmetic number, because the mean of its divisors is an integer number (5682250).

Almost surely, 2^19481996 is an apocalyptic number.

It is an amenable number.

19481996 is a deficient number, since it is larger than the sum of its proper divisors (14611504).

19481996 is a wasteful number, since it uses less digits than its factorization.

19481996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870503 (or 4870501 counting only the distinct ones).

The product of its digits is 139968, while the sum is 47.

The square root of 19481996 is about 4413.8414108348. The cubic root of 19481996 is about 269.0777680376.

The spelling of 19481996 in words is "nineteen million, four hundred eighty-one thousand, nine hundred ninety-six".