320514612 has 96 divisors (see below), whose sum is σ = 853372800. Its totient is φ = 92736000.

The previous prime is 320514587. The next prime is 320514653. The reversal of 320514612 is 216415023.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 386214 + ... + 387042.

It is an arithmetic number, because the mean of its divisors is an integer number (8889300).

Almost surely, 2^320514612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320514612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426686400).

320514612 is an abundant number, since it is smaller than the sum of its proper divisors (532858188).

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

320514612 is a wasteful number, since it uses less digits than its factorization.

320514612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 320514612 is about 17902.9218844299. The cubic root of 320514612 is about 684.3568381911.

Adding to 320514612 its reverse (216415023), we get a palindrome (536929635).

It can be divided in two parts, 32051 and 4612, that added together give a palindrome (36663).

The spelling of 320514612 in words is "three hundred twenty million, five hundred fourteen thousand, six hundred twelve".