8445913 has 8 divisors (see below), whose sum is σ = 9724032. Its totient is φ = 7185696.

The previous prime is 8445911. The next prime is 8445917. The reversal of 8445913 is 3195448.

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

It is not a de Polignac number, because 8445913 - 2¹ = 8445911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8445911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3445 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (1215504).

Almost surely, 2^8445913 is an apocalyptic number.

It is an amenable number.

8445913 is a deficient number, since it is larger than the sum of its proper divisors (1278119).

8445913 is a wasteful number, since it uses less digits than its factorization.

8445913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951.

The product of its digits is 17280, while the sum is 34.

The square root of 8445913 is about 2906.1853003551. The cubic root of 8445913 is about 203.6489621619.

The spelling of 8445913 in words is "eight million, four hundred forty-five thousand, nine hundred thirteen".