9169984 has 14 divisors (see below), whose sum is σ = 18196814. Its totient is φ = 4584960.

The previous prime is 9169967. The next prime is 9169999. The reversal of 9169984 is 4899619.

It can be written as a sum of positive squares in only one way, i.e., 8248384 + 921600 = 2872^2 + 960^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71577 + ... + 71704.

Almost surely, 2^9169984 is an apocalyptic number.

It is an amenable number.

9169984 is a deficient number, since it is larger than the sum of its proper divisors (9026830).

9169984 is a wasteful number, since it uses less digits than its factorization.

9169984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143293 (or 143283 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 9169984 is about 3028.1981441114. The cubic root of 9169984 is about 209.3097822865.

It can be divided in two parts, 9169 and 984, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 9169984 in words is "nine million, one hundred sixty-nine thousand, nine hundred eighty-four".