406530117 has 40 divisors (see below), whose sum is σ = 702714880. Its totient is φ = 232265880.

The previous prime is 406530109. The next prime is 406530143. The reversal of 406530117 is 711035604.

406530117 is a `hidden beast` number, since 4 + 0 + 653 + 0 + 1 + 1 + 7 = 666.

It is not a de Polignac number, because 406530117 - 2³ = 406530109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406530217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61692 + ... + 67962.

It is an arithmetic number, because the mean of its divisors is an integer number (17567872).

Almost surely, 2^406530117 is an apocalyptic number.

It is an amenable number.

406530117 is a deficient number, since it is larger than the sum of its proper divisors (296184763).

406530117 is an frugal number, since it uses more digits than its factorization.

406530117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 406530117 is about 20162.5920208687. The cubic root of 406530117 is about 740.7942027127.

The spelling of 406530117 in words is "four hundred six million, five hundred thirty thousand, one hundred seventeen".