9997132 has 12 divisors (see below), whose sum is σ = 17607520. Its totient is φ = 4966416.

The previous prime is 9997129. The next prime is 9997133. The reversal of 9997132 is 2317999.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9997133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7332 + ... + 8587.

Almost surely, 2^9997132 is an apocalyptic number.

It is an amenable number.

9997132 is a deficient number, since it is larger than the sum of its proper divisors (7610388).

9997132 is a wasteful number, since it uses less digits than its factorization.

9997132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080 (or 16078 counting only the distinct ones).

The product of its digits is 30618, while the sum is 40.

The square root of 9997132 is about 3161.8241570334. The cubic root of 9997132 is about 215.4228706382.

The spelling of 9997132 in words is "nine million, nine hundred ninety-seven thousand, one hundred thirty-two".