4023340 has 12 divisors (see below), whose sum is σ = 8449056. Its totient is φ = 1609328.

The previous prime is 4023337. The next prime is 4023347. The reversal of 4023340 is 433204.

4023340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4023347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100564 + ... + 100603.

It is an arithmetic number, because the mean of its divisors is an integer number (704088).

Almost surely, 2^4023340 is an apocalyptic number.

It is an amenable number.

4023340 is an abundant number, since it is smaller than the sum of its proper divisors (4425716).

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

4023340 is a wasteful number, since it uses less digits than its factorization.

4023340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201176 (or 201174 counting only the distinct ones).

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

The square root of 4023340 is about 2005.8265129367. The cubic root of 4023340 is about 159.0482561228.

Adding to 4023340 its reverse (433204), we get a palindrome (4456544).

The spelling of 4023340 in words is "four million, twenty-three thousand, three hundred forty".