405430585 has 16 divisors (see below), whose sum is σ = 575193600. Its totient is φ = 268422336.

The previous prime is 405430579. The next prime is 405430633. The reversal of 405430585 is 585034504.

It is not a de Polignac number, because 405430585 - 2¹⁷ = 405299513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405430585.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198705 + ... + 200734.

It is an arithmetic number, because the mean of its divisors is an integer number (35949600).

Almost surely, 2^405430585 is an apocalyptic number.

It is an amenable number.

405430585 is a deficient number, since it is larger than the sum of its proper divisors (169763015).

405430585 is a wasteful number, since it uses less digits than its factorization.

405430585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399480.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 405430585 is about 20135.3069258951. The cubic root of 405430585 is about 740.1257304017.

The spelling of 405430585 in words is "four hundred five million, four hundred thirty thousand, five hundred eighty-five".