385453985 has 8 divisors (see below), whose sum is σ = 528622656. Its totient is φ = 264311280.

The previous prime is 385453979. The next prime is 385454011. The reversal of 385453985 is 589354583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385453985 - 2¹⁸ = 385191841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5506451 + ... + 5506520.

It is an arithmetic number, because the mean of its divisors is an integer number (66077832).

Almost surely, 2^385453985 is an apocalyptic number.

385453985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385453985 is a deficient number, since it is larger than the sum of its proper divisors (143168671).

385453985 is a wasteful number, since it uses less digits than its factorization.

385453985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012983.

The product of its digits is 2592000, while the sum is 50.

The square root of 385453985 is about 19632.9820709947. The cubic root of 385453985 is about 727.7644657528.

The spelling of 385453985 in words is "three hundred eighty-five million, four hundred fifty-three thousand, nine hundred eighty-five".