500005406 has 16 divisors (see below), whose sum is σ = 790473600. Its totient is φ = 236547288.

The previous prime is 500005399. The next prime is 500005421. The reversal of 500005406 is 604500005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24041 + ... + 39723.

It is an arithmetic number, because the mean of its divisors is an integer number (49404600).

Almost surely, 2^500005406 is an apocalyptic number.

500005406 is a deficient number, since it is larger than the sum of its proper divisors (290468194).

500005406 is a wasteful number, since it uses less digits than its factorization.

500005406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16543.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 500005406 is about 22360.8006565060. The cubic root of 500005406 is about 793.7033864705.

The spelling of 500005406 in words is "five hundred million, five thousand, four hundred six".