406477859 has 8 divisors (see below), whose sum is σ = 422020992. Its totient is φ = 391086720.

The previous prime is 406477853. The next prime is 406477889. The reversal of 406477859 is 958774604.

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 406477859 - 2⁴ = 406477843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406477853) 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, 32534 + ... + 43259.

It is an arithmetic number, because the mean of its divisors is an integer number (52752624).

Almost surely, 2^406477859 is an apocalyptic number.

406477859 is a deficient number, since it is larger than the sum of its proper divisors (15543133).

406477859 is a wasteful number, since it uses less digits than its factorization.

406477859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75997.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 406477859 is about 20161.2960644895. The cubic root of 406477859 is about 740.7624591995.

The spelling of 406477859 in words is "four hundred six million, four hundred seventy-seven thousand, eight hundred fifty-nine".