385448685 has 16 divisors (see below), whose sum is σ = 618354240. Its totient is φ = 205027200.

The previous prime is 385448669. The next prime is 385448717. The reversal of 385448685 is 586844583.

It is a happy number.

It is not a de Polignac number, because 385448685 - 2⁴ = 385448669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28216 + ... + 39585.

It is an arithmetic number, because the mean of its divisors is an integer number (38647140).

Almost surely, 2^385448685 is an apocalyptic number.

It is an amenable number.

385448685 is a deficient number, since it is larger than the sum of its proper divisors (232905555).

385448685 is a wasteful number, since it uses less digits than its factorization.

385448685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68188.

The product of its digits is 3686400, while the sum is 51.

The square root of 385448685 is about 19632.8470935827. The cubic root of 385448685 is about 727.7611301456.

The spelling of 385448685 in words is "three hundred eighty-five million, four hundred forty-eight thousand, six hundred eighty-five".