938130209 has 8 divisors (see below), whose sum is σ = 943008000. Its totient is φ = 933260832.

The previous prime is 938130203. The next prime is 938130211. The reversal of 938130209 is 902031839.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 938130209 - 2⁸ = 938129953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938130203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448037 + ... + 450125.

It is an arithmetic number, because the mean of its divisors is an integer number (117876000).

Almost surely, 2^938130209 is an apocalyptic number.

It is an amenable number.

938130209 is a deficient number, since it is larger than the sum of its proper divisors (4877791).

938130209 is a wasteful number, since it uses less digits than its factorization.

938130209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 938130209 is about 30628.9113257393. The cubic root of 938130209 is about 978.9361664873.

The spelling of 938130209 in words is "nine hundred thirty-eight million, one hundred thirty thousand, two hundred nine".