385693727 has 2 divisors, whose sum is σ = 385693728. Its totient is φ = 385693726.

The previous prime is 385693699. The next prime is 385693751. The reversal of 385693727 is 727396583.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385693727 - 2⁶ = 385693663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385690727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192846863 + 192846864.

It is an arithmetic number, because the mean of its divisors is an integer number (192846864).

Almost surely, 2^385693727 is an apocalyptic number.

385693727 is a deficient number, since it is larger than the sum of its proper divisors (1).

385693727 is an equidigital number, since it uses as much as digits as its factorization.

385693727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The square root of 385693727 is about 19639.0867150181. The cubic root of 385693727 is about 727.9153177825.

The spelling of 385693727 in words is "three hundred eighty-five million, six hundred ninety-three thousand, seven hundred twenty-seven".