385641867 has 16 divisors (see below), whose sum is σ = 554697248. Its totient is φ = 236908800.

The previous prime is 385641857. The next prime is 385641869. The reversal of 385641867 is 768146583.

It is not a de Polignac number, because 385641867 - 2⁸ = 385641611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385641869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15213 + ... + 31665.

It is an arithmetic number, because the mean of its divisors is an integer number (34668578).

Almost surely, 2^385641867 is an apocalyptic number.

385641867 is a deficient number, since it is larger than the sum of its proper divisors (169055381).

385641867 is a wasteful number, since it uses less digits than its factorization.

385641867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070.

The product of its digits is 967680, while the sum is 48.

The square root of 385641867 is about 19637.7663444700. The cubic root of 385641867 is about 727.8826913938.

The spelling of 385641867 in words is "three hundred eighty-five million, six hundred forty-one thousand, eight hundred sixty-seven".