845319385 has 8 divisors (see below), whose sum is σ = 1017449856. Its totient is φ = 674211120.

The previous prime is 845319361. The next prime is 845319451. The reversal of 845319385 is 583913548.

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

It is a de Polignac number, because none of the positive numbers 2^k-845319385 is a prime.

It is a Duffinian 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, 253729 + ... + 257038.

It is an arithmetic number, because the mean of its divisors is an integer number (127181232).

Almost surely, 2^845319385 is an apocalyptic number.

It is an amenable number.

845319385 is a deficient number, since it is larger than the sum of its proper divisors (172130471).

845319385 is a wasteful number, since it uses less digits than its factorization.

845319385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511103.

The product of its digits is 518400, while the sum is 46.

The square root of 845319385 is about 29074.3767774995. The cubic root of 845319385 is about 945.5262915775.

The spelling of 845319385 in words is "eight hundred forty-five million, three hundred nineteen thousand, three hundred eighty-five".