406486563 has 16 divisors (see below), whose sum is σ = 620526336. Its totient is φ = 231858720.

The previous prime is 406486559. The next prime is 406486571. The reversal of 406486563 is 365684604.

It is not a de Polignac number, because 406486563 - 2² = 406486559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406486543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5368 + ... + 29013.

It is an arithmetic number, because the mean of its divisors is an integer number (38782896).

Almost surely, 2^406486563 is an apocalyptic number.

406486563 is a deficient number, since it is larger than the sum of its proper divisors (214039773).

406486563 is a wasteful number, since it uses less digits than its factorization.

406486563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34954.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 406486563 is about 20161.5119224725. The cubic root of 406486563 is about 740.7677465317.

The spelling of 406486563 in words is "four hundred six million, four hundred eighty-six thousand, five hundred sixty-three".