4340406 has 32 divisors (see below), whose sum is σ = 10506240. Its totient is φ = 1166976.

The previous prime is 4340381. The next prime is 4340407. The reversal of 4340406 is 6040434.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340407) 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 15 ways as a sum of consecutive naturals, for example, 2326 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^4340406 is an apocalyptic number.

4340406 is an abundant number, since it is smaller than the sum of its proper divisors (6165834).

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

4340406 is a wasteful number, since it uses less digits than its factorization.

4340406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4340406 is about 2083.3641064394. The cubic root of 4340406 is about 163.1210913466.

The spelling of 4340406 in words is "four million, three hundred forty thousand, four hundred six".