320063296 has 42 divisors (see below), whose sum is σ = 738826818. Its totient is φ = 137168640.

The previous prime is 320063291. The next prime is 320063299. The reversal of 320063296 is 692360023.

It can be written as a sum of positive squares in only one way, i.e., 271063296 + 49000000 = 16464^2 + 7000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320063291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47895 + ... + 54166.

Almost surely, 2^320063296 is an apocalyptic number.

It is an amenable number.

320063296 is an abundant number, since it is smaller than the sum of its proper divisors (418763522).

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

320063296 is a wasteful number, since it uses less digits than its factorization.

320063296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102087 (or 102070 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 320063296 is about 17890.3129095050. The cubic root of 320063296 is about 684.0354734632.

The spelling of 320063296 in words is "three hundred twenty million, sixty-three thousand, two hundred ninety-six".