406594085 has 4 divisors (see below), whose sum is σ = 487912908. Its totient is φ = 325275264.

The previous prime is 406594063. The next prime is 406594121. The reversal of 406594085 is 580495604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153338689 + 253255396 = 12383^2 + 15914^2 .

It is a cyclic number.

It is not a de Polignac number, because 406594085 - 2⁶ = 406594021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40659404 + ... + 40659413.

It is an arithmetic number, because the mean of its divisors is an integer number (121978227).

Almost surely, 2^406594085 is an apocalyptic number.

It is an amenable number.

406594085 is a deficient number, since it is larger than the sum of its proper divisors (81318823).

406594085 is an equidigital number, since it uses as much as digits as its factorization.

406594085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81318822.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 406594085 is about 20164.1782624534. The cubic root of 406594085 is about 740.8330556261.

It can be divided in two parts, 40659 and 4085, that added together give a palindrome (44744).

The spelling of 406594085 in words is "four hundred six million, five hundred ninety-four thousand, eighty-five".