8945980 has 48 divisors (see below), whose sum is σ = 19869696. Its totient is φ = 3378240.

The previous prime is 8945969. The next prime is 8945983. The reversal of 8945980 is 895498.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 28987 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (413952).

Almost surely, 2^8945980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8945980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9934848).

8945980 is an abundant number, since it is smaller than the sum of its proper divisors (10923716).

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

8945980 is a wasteful number, since it uses less digits than its factorization.

8945980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 8945980 is about 2990.9831159671. The cubic root of 8945980 is about 207.5913760226.

The spelling of 8945980 in words is "eight million, nine hundred forty-five thousand, nine hundred eighty".