424116909 has 12 divisors (see below), whose sum is σ = 633738300. Its totient is φ = 272994624.

The previous prime is 424116907. The next prime is 424116937. The reversal of 424116909 is 909611424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 249956100 + 174160809 = 15810^2 + 13197^2 .

It is not a de Polignac number, because 424116909 - 2¹ = 424116907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424116907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812224 + ... + 812745.

It is an arithmetic number, because the mean of its divisors is an integer number (52811525).

Almost surely, 2^424116909 is an apocalyptic number.

It is an amenable number.

424116909 is a deficient number, since it is larger than the sum of its proper divisors (209621391).

424116909 is a wasteful number, since it uses less digits than its factorization.

424116909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625004 (or 1625001 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 424116909 is about 20594.0988877882. The cubic root of 424116909 is about 751.3261922367.

The spelling of 424116909 in words is "four hundred twenty-four million, one hundred sixteen thousand, nine hundred nine".