4340340 has 36 divisors (see below), whose sum is σ = 13166244. Its totient is φ = 1157376.

The previous prime is 4340299. The next prime is 4340351. The reversal of 4340340 is 430434.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 2108304 = 1494^2 + 1452^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11877 + ... + 12236.

It is an arithmetic number, because the mean of its divisors is an integer number (365729).

Almost surely, 2^4340340 is an apocalyptic number.

It is an amenable number.

4340340 is an abundant number, since it is smaller than the sum of its proper divisors (8825904).

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

4340340 is a wasteful number, since it uses less digits than its factorization.

4340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24128 (or 24123 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4340340 is about 2083.3482666131. The cubic root of 4340340 is about 163.1202645386.

Adding to 4340340 its reverse (430434), we get a palindrome (4770774).

The spelling of 4340340 in words is "four million, three hundred forty thousand, three hundred forty".