8807945 has 8 divisors (see below), whose sum is σ = 10608840. Its totient is φ = 7020160.

The previous prime is 8807917. The next prime is 8807951. The reversal of 8807945 is 5497088.

It can be written as a sum of positive squares in 4 ways, for example, as 861184 + 7946761 = 928^2 + 2819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8807945 - 2⁶ = 8807881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730 + ... + 4539.

It is an arithmetic number, because the mean of its divisors is an integer number (1326105).

Almost surely, 2^8807945 is an apocalyptic number.

It is an amenable number.

8807945 is a deficient number, since it is larger than the sum of its proper divisors (1800895).

8807945 is a wasteful number, since it uses less digits than its factorization.

8807945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8807945 is about 2967.8182221962. The cubic root of 8807945 is about 206.5181367166.

The spelling of 8807945 in words is "eight million, eight hundred seven thousand, nine hundred forty-five".