8406980 has 12 divisors (see below), whose sum is σ = 17654700. Its totient is φ = 3362784.

The previous prime is 8406977. The next prime is 8406991. The reversal of 8406980 is 896048.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 5769604 = 1624^2 + 2402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8406980.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210155 + ... + 210194.

It is an arithmetic number, because the mean of its divisors is an integer number (1471225).

Almost surely, 2^8406980 is an apocalyptic number.

It is an amenable number.

8406980 is an abundant number, since it is smaller than the sum of its proper divisors (9247720).

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

8406980 is a wasteful number, since it uses less digits than its factorization.

8406980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420358 (or 420356 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8406980 is about 2899.4792635920. The cubic root of 8406980 is about 203.3355609061.

The spelling of 8406980 in words is "eight million, four hundred six thousand, nine hundred eighty".