8980945 has 4 divisors (see below), whose sum is σ = 10777140. Its totient is φ = 7184752.

The previous prime is 8980943. The next prime is 8980963. The reversal of 8980945 is 5490898.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5461569 + 3519376 = 2337^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 8980945 - 2¹ = 8980943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8980943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898090 + ... + 898099.

It is an arithmetic number, because the mean of its divisors is an integer number (2694285).

Almost surely, 2^8980945 is an apocalyptic number.

It is an amenable number.

8980945 is a deficient number, since it is larger than the sum of its proper divisors (1796195).

8980945 is a wasteful number, since it uses less digits than its factorization.

8980945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796194.

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

The square root of 8980945 is about 2996.8224838986. The cubic root of 8980945 is about 207.8614785906.

The spelling of 8980945 in words is "eight million, nine hundred eighty thousand, nine hundred forty-five".