406636601 has 16 divisors (see below), whose sum is σ = 475447296. Its totient is φ = 340590096.

The previous prime is 406636561. The next prime is 406636631. The reversal of 406636601 is 106636604.

It is not a de Polignac number, because 406636601 - 2¹⁸ = 406374457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406636631) 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 15 ways as a sum of consecutive naturals, for example, 56150 + ... + 62976.

It is an arithmetic number, because the mean of its divisors is an integer number (29715456).

Almost surely, 2^406636601 is an apocalyptic number.

It is an amenable number.

406636601 is a deficient number, since it is larger than the sum of its proper divisors (68810695).

406636601 is a wasteful number, since it uses less digits than its factorization.

406636601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 406636601 is about 20165.2324806832. The cubic root of 406636601 is about 740.8588767596.

The spelling of 406636601 in words is "four hundred six million, six hundred thirty-six thousand, six hundred one".