845343320 has 16 divisors (see below), whose sum is σ = 1902022560. Its totient is φ = 338137312.

The previous prime is 845343313. The next prime is 845343347. The reversal of 845343320 is 23343548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10566752 + ... + 10566831.

It is an arithmetic number, because the mean of its divisors is an integer number (118876410).

Almost surely, 2^845343320 is an apocalyptic number.

It is an amenable number.

845343320 is an abundant number, since it is smaller than the sum of its proper divisors (1056679240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845343320 is a wasteful number, since it uses less digits than its factorization.

845343320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133594 (or 21133590 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 845343320 is about 29074.7883913194. The cubic root of 845343320 is about 945.5352156041.

Adding to 845343320 its reverse (23343548), we get a palindrome (868686868).

The spelling of 845343320 in words is "eight hundred forty-five million, three hundred forty-three thousand, three hundred twenty".