385949583 has 16 divisors (see below), whose sum is σ = 577442400. Its totient is φ = 254750400.

The previous prime is 385949581. The next prime is 385949593.

385949583 is a `hidden beast` number, since 3 + 8 + 59 + 4 + 9 + 583 = 666.

385949583 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 385949583 - 2¹ = 385949581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385949581) 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, 68038 + ... + 73491.

It is an arithmetic number, because the mean of its divisors is an integer number (36090150).

Almost surely, 2^385949583 is an apocalyptic number.

385949583 is a deficient number, since it is larger than the sum of its proper divisors (191492817).

385949583 is a wasteful number, since it uses less digits than its factorization.

385949583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141639 (or 141633 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 385949583 is about 19645.5995836218. The cubic root of 385949583 is about 728.0762402292.

The spelling of 385949583 in words is "three hundred eighty-five million, nine hundred forty-nine thousand, five hundred eighty-three".