385834439 has 8 divisors (see below), whose sum is σ = 388018512. Its totient is φ = 383656000.

The previous prime is 385834417. The next prime is 385834451. The reversal of 385834439 is 934438583.

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 385834439 - 2¹² = 385830343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385834393 and 385834402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385834739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238397 + ... + 240009.

It is an arithmetic number, because the mean of its divisors is an integer number (48502314).

Almost surely, 2^385834439 is an apocalyptic number.

385834439 is a deficient number, since it is larger than the sum of its proper divisors (2184073).

385834439 is a wasteful number, since it uses less digits than its factorization.

385834439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its digits is 1244160, while the sum is 47.

The square root of 385834439 is about 19642.6688359805. The cubic root of 385834439 is about 728.0038283973.

The spelling of 385834439 in words is "three hundred eighty-five million, eight hundred thirty-four thousand, four hundred thirty-nine".