2006408 has 16 divisors (see below), whose sum is σ = 3983580. Its totient is φ = 944128.

The previous prime is 2006393. The next prime is 2006429. The reversal of 2006408 is 8046002.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 40804 = 1402^2 + 202^2 .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2006408.

It is an unprimeable number.

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, 7241 + ... + 7512.

2^2006408 is an apocalyptic number.

It is an amenable number.

2006408 is a deficient number, since it is larger than the sum of its proper divisors (1977172).

2006408 is a wasteful number, since it uses less digits than its factorization.

2006408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14776 (or 14772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2006408 is about 1416.4773206797. The cubic root of 2006408 is about 126.1265211033.

The spelling of 2006408 in words is "two million, six thousand, four hundred eight".