385233671 has 2 divisors, whose sum is σ = 385233672. Its totient is φ = 385233670.

The previous prime is 385233637. The next prime is 385233679. The reversal of 385233671 is 176332583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385233671 - 2¹⁸ = 384971527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385233679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192616835 + 192616836.

It is an arithmetic number, because the mean of its divisors is an integer number (192616836).

Almost surely, 2^385233671 is an apocalyptic number.

385233671 is a deficient number, since it is larger than the sum of its proper divisors (1).

385233671 is an equidigital number, since it uses as much as digits as its factorization.

385233671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 385233671 is about 19627.3704555654. The cubic root of 385233671 is about 727.6257831739.

The spelling of 385233671 in words is "three hundred eighty-five million, two hundred thirty-three thousand, six hundred seventy-one".