340320324 has 48 divisors (see below), whose sum is σ = 847687680. Its totient is φ = 105950880.

The previous prime is 340320313. The next prime is 340320347. The reversal of 340320324 is 423023043.

It is a self number, because there is not a number n which added to its sum of digits gives 340320324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5677 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (17660160).

Almost surely, 2^340320324 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 340320324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423843840).

340320324 is an abundant number, since it is smaller than the sum of its proper divisors (507367356).

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

340320324 is a wasteful number, since it uses less digits than its factorization.

340320324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120 (or 21118 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340320324 is about 18447.7728737103. The cubic root of 340320324 is about 698.1723233066.

Adding to 340320324 its reverse (423023043), we get a palindrome (763343367).

The spelling of 340320324 in words is "three hundred forty million, three hundred twenty thousand, three hundred twenty-four".