406605001 has 8 divisors (see below), whose sum is σ = 449817408. Its totient is φ = 364434000.

The previous prime is 406604983. The next prime is 406605007. The reversal of 406605001 is 100506604.

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

It is a cyclic number.

It is not a de Polignac number, because 406605001 - 2⁹ = 406604489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406605007) 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 7 ways as a sum of consecutive naturals, for example, 259530 + ... + 261091.

It is an arithmetic number, because the mean of its divisors is an integer number (56227176).

Almost surely, 2^406605001 is an apocalyptic number.

It is an amenable number.

406605001 is a deficient number, since it is larger than the sum of its proper divisors (43212407).

406605001 is a wasteful number, since it uses less digits than its factorization.

406605001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520703.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 406605001 is about 20164.4489386643. The cubic root of 406605001 is about 740.8396853842.

The spelling of 406605001 in words is "four hundred six million, six hundred five thousand, one".