500094409 has 4 divisors (see below), whose sum is σ = 508292740. Its totient is φ = 491896080.

The previous prime is 500094401. The next prime is 500094431. The reversal of 500094409 is 904490005.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280462009 + 219632400 = 16747^2 + 14820^2 .

It is a cyclic number.

It is not a de Polignac number, because 500094409 - 2³ = 500094401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500094401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4099074 + ... + 4099195.

It is an arithmetic number, because the mean of its divisors is an integer number (127073185).

Almost surely, 2^500094409 is an apocalyptic number.

It is an amenable number.

500094409 is a deficient number, since it is larger than the sum of its proper divisors (8198331).

500094409 is an equidigital number, since it uses as much as digits as its factorization.

500094409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198330.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 500094409 is about 22362.7907247731. The cubic root of 500094409 is about 793.7504778223.

The spelling of 500094409 in words is "five hundred million, ninety-four thousand, four hundred nine".