385933439 has 8 divisors (see below), whose sum is σ = 416346480. Its totient is φ = 356377216.

The previous prime is 385933381. The next prime is 385933531. The reversal of 385933439 is 934339583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385933439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385933393 and 385933402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385933739) 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, 213269 + ... + 215070.

It is an arithmetic number, because the mean of its divisors is an integer number (52043310).

Almost surely, 2^385933439 is an apocalyptic number.

385933439 is a deficient number, since it is larger than the sum of its proper divisors (30413041).

385933439 is a wasteful number, since it uses less digits than its factorization.

385933439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428409.

The product of its digits is 1049760, while the sum is 47.

The square root of 385933439 is about 19645.1886985083. The cubic root of 385933439 is about 728.0660884484.

The spelling of 385933439 in words is "three hundred eighty-five million, nine hundred thirty-three thousand, four hundred thirty-nine".