406088845 has 8 divisors (see below), whose sum is σ = 487501560. Its totient is φ = 324741120.

The previous prime is 406088833. The next prime is 406088867. The reversal of 406088845 is 548880604.

It can be written as a sum of positive squares in 4 ways, for example, as 69989956 + 336098889 = 8366^2 + 18333^2 .

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

It is not a de Polignac number, because 406088845 - 2⁷ = 406088717 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1236 + ... + 28525.

It is an arithmetic number, because the mean of its divisors is an integer number (60937695).

Almost surely, 2^406088845 is an apocalyptic number.

It is an amenable number.

406088845 is a deficient number, since it is larger than the sum of its proper divisors (81412715).

406088845 is a wasteful number, since it uses less digits than its factorization.

406088845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32495.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 406088845 is about 20151.6462106697. The cubic root of 406088845 is about 740.5260716255.

The spelling of 406088845 in words is "four hundred six million, eighty-eight thousand, eight hundred forty-five".