385788513 has 8 divisors (see below), whose sum is σ = 561146976. Its totient is φ = 233811200.

The previous prime is 385788509. The next prime is 385788527. The reversal of 385788513 is 315887583.

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 385788513 - 2² = 385788509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385788503) 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, 5845248 + ... + 5845313.

It is an arithmetic number, because the mean of its divisors is an integer number (70143372).

Almost surely, 2^385788513 is an apocalyptic number.

385788513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

385788513 is a deficient number, since it is larger than the sum of its proper divisors (175358463).

385788513 is a wasteful number, since it uses less digits than its factorization.

385788513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690575.

The product of its digits is 806400, while the sum is 48.

The square root of 385788513 is about 19641.4997645292. The cubic root of 385788513 is about 727.9749424063.

The spelling of 385788513 in words is "three hundred eighty-five million, seven hundred eighty-eight thousand, five hundred thirteen".