385803285 has 16 divisors (see below), whose sum is σ = 705469056. Its totient is φ = 176367168.

The previous prime is 385803283. The next prime is 385803331. The reversal of 385803285 is 582308583.

It is not a de Polignac number, because 385803285 - 2¹ = 385803283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385803283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837054 + ... + 1837263.

It is an arithmetic number, because the mean of its divisors is an integer number (44091816).

Almost surely, 2^385803285 is an apocalyptic number.

385803285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385803285 is a deficient number, since it is larger than the sum of its proper divisors (319665771).

385803285 is a wasteful number, since it uses less digits than its factorization.

385803285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674332.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 385803285 is about 19641.8758014605. The cubic root of 385803285 is about 727.9842337738.

The spelling of 385803285 in words is "three hundred eighty-five million, eight hundred three thousand, two hundred eighty-five".