385328357 has 4 divisors (see below), whose sum is σ = 397758336. Its totient is φ = 372898380.

The previous prime is 385328311. The next prime is 385328371. The reversal of 385328357 is 753823583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 385328357 - 2¹⁰ = 385327333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385328057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214943 + ... + 6215004.

It is an arithmetic number, because the mean of its divisors is an integer number (99439584).

Almost surely, 2^385328357 is an apocalyptic number.

It is an amenable number.

385328357 is a deficient number, since it is larger than the sum of its proper divisors (12429979).

385328357 is a wasteful number, since it uses less digits than its factorization.

385328357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429978.

The product of its digits is 604800, while the sum is 44.

The square root of 385328357 is about 19629.7823981826. The cubic root of 385328357 is about 727.6853923032.

The spelling of 385328357 in words is "three hundred eighty-five million, three hundred twenty-eight thousand, three hundred fifty-seven".