565478406 has 12 divisors (see below), whose sum is σ = 1225203252. Its totient is φ = 188492796.

The previous prime is 565478387. The next prime is 565478411. The reversal of 565478406 is 604874565.

565478406 is a `hidden beast` number, since 565 + 4 + 7 + 84 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15707716 + ... + 15707751.

It is an arithmetic number, because the mean of its divisors is an integer number (102100271).

Almost surely, 2^565478406 is an apocalyptic number.

565478406 is an abundant number, since it is smaller than the sum of its proper divisors (659724846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565478406 is a wasteful number, since it uses less digits than its factorization.

565478406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31415475 (or 31415472 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 565478406 is about 23779.7898645047. The cubic root of 565478406 is about 826.9362082439.

The spelling of 565478406 in words is "five hundred sixty-five million, four hundred seventy-eight thousand, four hundred six".