538667307 has 16 divisors (see below), whose sum is σ = 817491360. Its totient is φ = 350352000.

The previous prime is 538667303. The next prime is 538667317. The reversal of 538667307 is 703766835.

It is not a de Polignac number, because 538667307 - 2² = 538667303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538667303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242194 + ... + 244407.

It is an arithmetic number, because the mean of its divisors is an integer number (51093210).

Almost surely, 2^538667307 is an apocalyptic number.

538667307 is a deficient number, since it is larger than the sum of its proper divisors (278824053).

538667307 is a wasteful number, since it uses less digits than its factorization.

538667307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486651 (or 486645 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 538667307 is about 23209.2073755223. The cubic root of 538667307 is about 813.6548284288.

The spelling of 538667307 in words is "five hundred thirty-eight million, six hundred sixty-seven thousand, three hundred seven".