8945988 has 24 divisors (see below), whose sum is σ = 21782208. Its totient is φ = 2852256.

The previous prime is 8945983. The next prime is 8945999. The reversal of 8945988 is 8895498.

It is a super-2 number, since 2×8945988² = 160061402592288, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8945988.

It is not an unprimeable number, because it can be changed into a prime (8945983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15931 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (907592).

Almost surely, 2^8945988 is an apocalyptic number.

It is an amenable number.

8945988 is an abundant number, since it is smaller than the sum of its proper divisors (12836220).

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

8945988 is a wasteful number, since it uses less digits than its factorization.

8945988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32443 (or 32441 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 8945988 is about 2990.9844533197. The cubic root of 8945988 is about 207.5914379026.

The spelling of 8945988 in words is "eight million, nine hundred forty-five thousand, nine hundred eighty-eight".