385360931 has 2 divisors, whose sum is σ = 385360932. Its totient is φ = 385360930.

The previous prime is 385360897. The next prime is 385360951. The reversal of 385360931 is 139063583.

It is a strong prime.

It is an emirp because it is prime and its reverse (139063583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385360931 - 2¹⁸ = 385098787 is a prime.

It is a super-2 number, since 2×385360931² = 297006094282373522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (385360951) 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 as a sum of consecutive naturals, namely, 192680465 + 192680466.

It is an arithmetic number, because the mean of its divisors is an integer number (192680466).

Almost surely, 2^385360931 is an apocalyptic number.

385360931 is a deficient number, since it is larger than the sum of its proper divisors (1).

385360931 is an equidigital number, since it uses as much as digits as its factorization.

385360931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 385360931 is about 19630.6120892854. The cubic root of 385360931 is about 727.7058968552.

The spelling of 385360931 in words is "three hundred eighty-five million, three hundred sixty thousand, nine hundred thirty-one".