9661552 has 10 divisors (see below), whose sum is σ = 18719288. Its totient is φ = 4830768.

The previous prime is 9661537. The next prime is 9661567. The reversal of 9661552 is 2551669.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9661537) and next prime (9661567).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301908 + ... + 301939.

Almost surely, 2^9661552 is an apocalyptic number.

It is an amenable number.

9661552 is a deficient number, since it is larger than the sum of its proper divisors (9057736).

9661552 is a wasteful number, since it uses less digits than its factorization.

9661552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603855 (or 603849 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 9661552 is about 3108.3037174639. The cubic root of 9661552 is about 212.9849739964.

The spelling of 9661552 in words is "nine million, six hundred sixty-one thousand, five hundred fifty-two".