4320340 has 24 divisors (see below), whose sum is σ = 9113832. Its totient is φ = 1720320.

The previous prime is 4320319. The next prime is 4320341. The reversal of 4320340 is 430234.

It can be written as a sum of positive squares in 4 ways, for example, as 770884 + 3549456 = 878^2 + 1884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6420 + ... + 7060.

It is an arithmetic number, because the mean of its divisors is an integer number (379743).

Almost surely, 2^4320340 is an apocalyptic number.

It is an amenable number.

4320340 is an abundant number, since it is smaller than the sum of its proper divisors (4793492).

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

4320340 is a wasteful number, since it uses less digits than its factorization.

4320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4320340 is about 2078.5427587615. The cubic root of 4320340 is about 162.8693295780.

Adding to 4320340 its reverse (430234), we get a palindrome (4750574).

The spelling of 4320340 in words is "four million, three hundred twenty thousand, three hundred forty".