320063464 has 32 divisors (see below), whose sum is σ = 688121280. Its totient is φ = 136715904.

The previous prime is 320063461. The next prime is 320063503. The reversal of 320063464 is 464360023.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (320063461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7884 + ... + 26500.

It is an arithmetic number, because the mean of its divisors is an integer number (21503790).

Almost surely, 2^320063464 is an apocalyptic number.

It is an amenable number.

320063464 is an abundant number, since it is smaller than the sum of its proper divisors (368057816).

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

320063464 is a wasteful number, since it uses less digits than its factorization.

320063464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937 (or 18933 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 320063464 is about 17890.3176047828. The cubic root of 320063464 is about 684.0355931457.

The spelling of 320063464 in words is "three hundred twenty million, sixty-three thousand, four hundred sixty-four".