385387538 has 8 divisors (see below), whose sum is σ = 579965232. Its totient is φ = 192065796.

The previous prime is 385387529. The next prime is 385387549. The reversal of 385387538 is 835783583.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313220 + ... + 314447.

It is an arithmetic number, because the mean of its divisors is an integer number (72495654).

Almost surely, 2^385387538 is an apocalyptic number.

385387538 is a deficient number, since it is larger than the sum of its proper divisors (194577694).

385387538 is a wasteful number, since it uses less digits than its factorization.

385387538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627976.

The product of its digits is 2419200, while the sum is 50.

The square root of 385387538 is about 19631.2897691415. The cubic root of 385387538 is about 727.7226444665.

The spelling of 385387538 in words is "three hundred eighty-five million, three hundred eighty-seven thousand, five hundred thirty-eight".