8957988 has 36 divisors (see below), whose sum is σ = 24386908. Its totient is φ = 2756160.

The previous prime is 8957983. The next prime is 8957989. The reversal of 8957988 is 8897598.

It can be written as a sum of positive squares in 2 ways, for example, as 2965284 + 5992704 = 1722^2 + 2448^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8957983) 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 11 ways as a sum of consecutive naturals, for example, 9103 + ... + 10038.

Almost surely, 2^8957988 is an apocalyptic number.

It is an amenable number.

8957988 is an abundant number, since it is smaller than the sum of its proper divisors (15428920).

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

8957988 is a wasteful number, since it uses less digits than its factorization.

8957988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19164 (or 19159 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 8957988 is about 2992.9898095383. The cubic root of 8957988 is about 207.6842163356.

The spelling of 8957988 in words is "eight million, nine hundred fifty-seven thousand, nine hundred eighty-eight".