320888463 has 16 divisors (see below), whose sum is σ = 489409536. Its totient is φ = 183201120.

The previous prime is 320888461. The next prime is 320888497. The reversal of 320888463 is 364888023.

It is not a de Polignac number, because 320888463 - 2¹ = 320888461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320888461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19645 + ... + 32057.

It is an arithmetic number, because the mean of its divisors is an integer number (30588096).

Almost surely, 2^320888463 is an apocalyptic number.

320888463 is a deficient number, since it is larger than the sum of its proper divisors (168521073).

320888463 is a wasteful number, since it uses less digits than its factorization.

320888463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 320888463 is about 17913.3599025978. The cubic root of 320888463 is about 684.6228147061.

The spelling of 320888463 in words is "three hundred twenty million, eight hundred eighty-eight thousand, four hundred sixty-three".