4008406 has 8 divisors (see below), whose sum is σ = 6159384. Its totient is φ = 1955280.

The previous prime is 4008397. The next prime is 4008421. The reversal of 4008406 is 6048004.

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

It is a congruent number.

It is an unprimeable number.

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, 24360 + ... + 24523.

It is an arithmetic number, because the mean of its divisors is an integer number (769923).

Almost surely, 2^4008406 is an apocalyptic number.

4008406 is a deficient number, since it is larger than the sum of its proper divisors (2150978).

4008406 is a wasteful number, since it uses less digits than its factorization.

4008406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48926.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4008406 is about 2002.1003970830. The cubic root of 4008406 is about 158.8512248375.

The spelling of 4008406 in words is "four million, eight thousand, four hundred six".