3818406 has 16 divisors (see below), whose sum is σ = 7713648. Its totient is φ = 1260000.

The previous prime is 3818393. The next prime is 3818407. The reversal of 3818406 is 6048183.

It is a happy number.

3818406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818407) 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 7 ways as a sum of consecutive naturals, for example, 2545 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (482103).

Almost surely, 2^3818406 is an apocalyptic number.

3818406 is an abundant number, since it is smaller than the sum of its proper divisors (3895242).

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

3818406 is a wasteful number, since it uses less digits than its factorization.

3818406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 3818406 is about 1954.0742053464. The cubic root of 3818406 is about 156.3006201855.

It can be divided in two parts, 3818 and 406, that added together give a palindrome (4224).

The spelling of 3818406 in words is "three million, eight hundred eighteen thousand, four hundred six".