9919996 has 24 divisors (see below), whose sum is σ = 18039056. Its totient is φ = 4769280.

The previous prime is 9919979. The next prime is 9919997. The reversal of 9919996 is 6999199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9919997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14011 + ... + 14701.

Almost surely, 2^9919996 is an apocalyptic number.

It is an amenable number.

9919996 is a deficient number, since it is larger than the sum of its proper divisors (8119060).

9919996 is a wasteful number, since it uses less digits than its factorization.

9919996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its digits is 354294, while the sum is 52.

The square root of 9919996 is about 3149.6025146040. The cubic root of 9919996 is about 214.8673853178.

The spelling of 9919996 in words is "nine million, nine hundred nineteen thousand, nine hundred ninety-six".