8107945 has 8 divisors (see below), whose sum is σ = 9794880. Its totient is φ = 6442800.

The previous prime is 8107943. The next prime is 8107949. The reversal of 8107945 is 5497018.

It is a happy number.

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

It is not a de Polignac number, because 8107945 - 2¹ = 8107943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8107945.

It is not an unprimeable number, because it can be changed into a prime (8107943) 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, 4615 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (1224360).

Almost surely, 2^8107945 is an apocalyptic number.

It is an amenable number.

8107945 is a deficient number, since it is larger than the sum of its proper divisors (1686935).

8107945 is a wasteful number, since it uses less digits than its factorization.

8107945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 8107945 is about 2847.4453462709. The cubic root of 8107945 is about 200.8955258491.

The spelling of 8107945 in words is "eight million, one hundred seven thousand, nine hundred forty-five".