406590056 has 16 divisors (see below), whose sum is σ = 769352100. Its totient is φ = 201429504.

The previous prime is 406590053. The next prime is 406590167. The reversal of 406590056 is 650095604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 391644100 + 14945956 = 19790^2 + 3866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406589998 and 406590025.

It is not an unprimeable number, because it can be changed into a prime (406590053) by changing a digit.

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, 232265 + ... + 234008.

Almost surely, 2^406590056 is an apocalyptic number.

It is an amenable number.

406590056 is a deficient number, since it is larger than the sum of its proper divisors (362762044).

406590056 is a wasteful number, since it uses less digits than its factorization.

406590056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466388 (or 466384 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 406590056 is about 20164.0783573165. The cubic root of 406590056 is about 740.8306086105.

The spelling of 406590056 in words is "four hundred six million, five hundred ninety thousand, fifty-six".