845394395 has 8 divisors (see below), whose sum is σ = 1014633456. Its totient is φ = 676208736.

The previous prime is 845394391. The next prime is 845394419. The reversal of 845394395 is 593493548.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 845394395 - 2² = 845394391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845394391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43484 + ... + 59846.

It is an arithmetic number, because the mean of its divisors is an integer number (126829182).

Almost surely, 2^845394395 is an apocalyptic number.

845394395 is a deficient number, since it is larger than the sum of its proper divisors (169239061).

845394395 is a wasteful number, since it uses less digits than its factorization.

845394395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26701.

The product of its digits is 2332800, while the sum is 50.

The square root of 845394395 is about 29075.6667163455. Note that the first 3 decimals coincide. The cubic root of 845394395 is about 945.5542580600.

The spelling of 845394395 in words is "eight hundred forty-five million, three hundred ninety-four thousand, three hundred ninety-five".