2006004401 has 4 divisors (see below), whose sum is σ = 2111583600. Its totient is φ = 1900425204.

The previous prime is 2006004391. The next prime is 2006004421. The reversal of 2006004401 is 1044006002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2006004401 - 2²⁶ = 1938895537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2006004401.

It is not an unprimeable number, because it can be changed into a prime (2006004421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52789571 + ... + 52789608.

It is an arithmetic number, because the mean of its divisors is an integer number (527895900).

Almost surely, 2^2006004401 is an apocalyptic number.

It is an amenable number.

2006004401 is a deficient number, since it is larger than the sum of its proper divisors (105579199).

2006004401 is a wasteful number, since it uses less digits than its factorization.

2006004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105579198.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2006004401 is about 44788.4404841249. The cubic root of 2006004401 is about 1261.1806354271.

The spelling of 2006004401 in words is "two billion, six million, four thousand, four hundred one".