40004206 has 8 divisors (see below), whose sum is σ = 65461464. Its totient is φ = 18183720.

The previous prime is 40004203. The next prime is 40004231. The reversal of 40004206 is 60240004.

40004206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40004206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909165 + ... + 909208.

It is an arithmetic number, because the mean of its divisors is an integer number (8182683).

Almost surely, 2^40004206 is an apocalyptic number.

40004206 is a deficient number, since it is larger than the sum of its proper divisors (25457258).

40004206 is a wasteful number, since it uses less digits than its factorization.

40004206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818386.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40004206 is about 6324.8878250922. The cubic root of 40004206 is about 342.0071758466.

The spelling of 40004206 in words is "forty million, four thousand, two hundred six".