4002340 has 12 divisors (see below), whose sum is σ = 8404956. Its totient is φ = 1600928.

The previous prime is 4002337. The next prime is 4002353. The reversal of 4002340 is 432004.

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 1493284 = 1584^2 + 1222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4002340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100039 + ... + 100078.

It is an arithmetic number, because the mean of its divisors is an integer number (700413).

Almost surely, 2^4002340 is an apocalyptic number.

It is an amenable number.

4002340 is an abundant number, since it is smaller than the sum of its proper divisors (4402616).

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

4002340 is a wasteful number, since it uses less digits than its factorization.

4002340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200126 (or 200124 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4002340 is about 2000.5849144688. The cubic root of 4002340 is about 158.7710534832.

Adding to 4002340 its reverse (432004), we get a palindrome (4434344).

The spelling of 4002340 in words is "four million, two thousand, three hundred forty".