9609988 has 6 divisors (see below), whose sum is σ = 16817486. Its totient is φ = 4804992.

The previous prime is 9609959. The next prime is 9610033. The reversal of 9609988 is 8899069.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 1327104 = 2878^2 + 1152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201245 + ... + 1201252.

Almost surely, 2^9609988 is an apocalyptic number.

It is an amenable number.

9609988 is a deficient number, since it is larger than the sum of its proper divisors (7207498).

9609988 is a wasteful number, since it uses less digits than its factorization.

9609988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402501 (or 2402499 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 9609988 is about 3099.9980645155. The cubic root of 9609988 is about 212.6053954683.

The spelling of 9609988 in words is "nine million, six hundred nine thousand, nine hundred eighty-eight".