9917896 has 8 divisors (see below), whose sum is σ = 18596070. Its totient is φ = 4958944.

The previous prime is 9917891. The next prime is 9917903. The reversal of 9917896 is 6987199.

9917896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 220900 = 3114^2 + 470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9917896² = 196729322133632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9917891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619861 + ... + 619876.

Almost surely, 2^9917896 is an apocalyptic number.

It is an amenable number.

9917896 is a deficient number, since it is larger than the sum of its proper divisors (8678174).

9917896 is a wasteful number, since it uses less digits than its factorization.

9917896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239743 (or 1239739 counting only the distinct ones).

The product of its digits is 244944, while the sum is 49.

The square root of 9917896 is about 3149.2691215582. The cubic root of 9917896 is about 214.8522222285.

The spelling of 9917896 in words is "nine million, nine hundred seventeen thousand, eight hundred ninety-six".