8661552 has 40 divisors (see below), whose sum is σ = 22985136. Its totient is φ = 2808576.

The previous prime is 8661529. The next prime is 8661553. The reversal of 8661552 is 2551668.

It is not an unprimeable number, because it can be changed into a prime (8661553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663 + ... + 4214.

Almost surely, 2^8661552 is an apocalyptic number.

It is an amenable number.

8661552 is an abundant number, since it is smaller than the sum of its proper divisors (14323584).

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

8661552 is a wasteful number, since it uses less digits than its factorization.

8661552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4919 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 8661552 is about 2943.0514776334. The cubic root of 8661552 is about 205.3675895321.

The spelling of 8661552 in words is "eight million, six hundred sixty-one thousand, five hundred fifty-two".