9997896 has 16 divisors (see below), whose sum is σ = 24994800. Its totient is φ = 3332624.

The previous prime is 9997879. The next prime is 9997913. The reversal of 9997896 is 6987999.

It is an interprime number because it is at equal distance from previous prime (9997879) and next prime (9997913).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208266 + ... + 208313.

It is an arithmetic number, because the mean of its divisors is an integer number (1562175).

Almost surely, 2^9997896 is an apocalyptic number.

It is an amenable number.

9997896 is an abundant number, since it is smaller than the sum of its proper divisors (14996904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997896 is a wasteful number, since it uses less digits than its factorization.

9997896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416588 (or 416584 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 57.

The square root of 9997896 is about 3161.9449710582. The cubic root of 9997896 is about 215.4283581747.

The spelling of 9997896 in words is "nine million, nine hundred ninety-seven thousand, eight hundred ninety-six".