320648496 has 80 divisors (see below), whose sum is σ = 960081408. Its totient is φ = 90316800.

The previous prime is 320648483. The next prime is 320648527. The reversal of 320648496 is 694846023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 17136 + ... + 30576.

Almost surely, 2^320648496 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 320648496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480040704).

320648496 is an abundant number, since it is smaller than the sum of its proper divisors (639432912).

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

320648496 is a wasteful number, since it uses less digits than its factorization.

320648496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530 (or 13524 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 320648496 is about 17906.6606602124. The cubic root of 320648496 is about 684.4521138019.

The spelling of 320648496 in words is "three hundred twenty million, six hundred forty-eight thousand, four hundred ninety-six".