320030648 has 64 divisors (see below), whose sum is σ = 719262720. Its totient is φ = 130521600.

The previous prime is 320030647. The next prime is 320030657. The reversal of 320030648 is 846030023.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320030647) 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, 309893 + ... + 310923.

It is an arithmetic number, because the mean of its divisors is an integer number (11238480).

Almost surely, 2^320030648 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 320030648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359631360).

320030648 is an abundant number, since it is smaller than the sum of its proper divisors (399232072).

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

320030648 is a wasteful number, since it uses less digits than its factorization.

320030648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 320030648 is about 17889.4004371304. The cubic root of 320030648 is about 684.0122143664.

The spelling of 320030648 in words is "three hundred twenty million, thirty thousand, six hundred forty-eight".