385398539 has 8 divisors (see below), whose sum is σ = 392071680. Its totient is φ = 378752616.

The previous prime is 385398529. The next prime is 385398553. The reversal of 385398539 is 935893583.

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 a de Polignac number, because none of the positive numbers 2^k-385398539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385398509) 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, 22862 + ... + 35964.

It is an arithmetic number, because the mean of its divisors is an integer number (49008960).

Almost surely, 2^385398539 is an apocalyptic number.

385398539 is a deficient number, since it is larger than the sum of its proper divisors (6673141).

385398539 is a wasteful number, since it uses less digits than its factorization.

385398539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609.

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

The square root of 385398539 is about 19631.5699575964. The cubic root of 385398539 is about 727.7295687525.

The spelling of 385398539 in words is "three hundred eighty-five million, three hundred ninety-eight thousand, five hundred thirty-nine".