385741999 has 2 divisors, whose sum is σ = 385742000. Its totient is φ = 385741998.

The previous prime is 385741991. The next prime is 385742011. The reversal of 385741999 is 999147583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385741999 - 2³ = 385741991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385741991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192870999 + 192871000.

It is an arithmetic number, because the mean of its divisors is an integer number (192871000).

Almost surely, 2^385741999 is an apocalyptic number.

385741999 is a deficient number, since it is larger than the sum of its proper divisors (1).

385741999 is an equidigital number, since it uses as much as digits as its factorization.

385741999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 55.

The square root of 385741999 is about 19640.3156542862. The cubic root of 385741999 is about 727.9456842451.

The spelling of 385741999 in words is "three hundred eighty-five million, seven hundred forty-one thousand, nine hundred ninety-nine".