385583939 has 8 divisors (see below), whose sum is σ = 422283120. Its totient is φ = 349890336.

The previous prime is 385583927. The next prime is 385583969. The reversal of 385583939 is 939385583.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 385583939 - 2⁴ = 385583923 is a prime.

It is a super-3 number, since 3×385583939³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385583969) 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 7 ways as a sum of consecutive naturals, for example, 250592 + ... + 252125.

It is an arithmetic number, because the mean of its divisors is an integer number (52785390).

Almost surely, 2^385583939 is an apocalyptic number.

385583939 is a deficient number, since it is larger than the sum of its proper divisors (36699181).

385583939 is a wasteful number, since it uses less digits than its factorization.

385583939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502789.

The product of its digits is 3499200, while the sum is 53.

The square root of 385583939 is about 19636.2913759192. The cubic root of 385583939 is about 727.8462440199.

The spelling of 385583939 in words is "three hundred eighty-five million, five hundred eighty-three thousand, nine hundred thirty-nine".