320606340 has 96 divisors (see below), whose sum is σ = 936735744. Its totient is φ = 81838080.

The previous prime is 320606327. The next prime is 320606353. The reversal of 320606340 is 43606023.

It is an interprime number because it is at equal distance from previous prime (320606327) and next prime (320606353).

It is a self number, because there is not a number n which added to its sum of digits gives 320606340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179532 + ... + 181308.

It is an arithmetic number, because the mean of its divisors is an integer number (9757664).

Almost surely, 2^320606340 is an apocalyptic number.

320606340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320606340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468367872).

320606340 is an abundant number, since it is smaller than the sum of its proper divisors (616129404).

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

320606340 is a wasteful number, since it uses less digits than its factorization.

320606340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 320606340 is about 17905.4835176267. The cubic root of 320606340 is about 684.4221172706.

The spelling of 320606340 in words is "three hundred twenty million, six hundred six thousand, three hundred forty".