320463 has 32 divisors (see below), whose sum is σ = 564480. Its totient is φ = 177120.

The previous prime is 320449. The next prime is 320471. The reversal of 320463 is 364023.

It is not a de Polignac number, because 320463 - 2⁵ = 320431 is a prime.

320463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3820 + ... + 3902.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2³²⁰⁴⁶³ is an apocalyptic number.

320463 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320463 is a deficient number, since it is larger than the sum of its proper divisors (244017).

320463 is a wasteful number, since it uses less digits than its factorization.

320463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 320463 is about 566.0945150768. The cubic root of 320463 is about 68.4320102558.

Adding to 320463 its reverse (364023), we get a palindrome (684486).

The spelling of 320463 in words is "three hundred twenty thousand, four hundred sixty-three".