385885057 has 8 divisors (see below), whose sum is σ = 409159296. Its totient is φ = 362674752.

The previous prime is 385885039. The next prime is 385885061. The reversal of 385885057 is 750588583.

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-385885057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385885057.

It is not an unprimeable number, because it can be changed into a prime (385885037) 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, 3253 + ... + 27970.

It is an arithmetic number, because the mean of its divisors is an integer number (51144912).

Almost surely, 2^385885057 is an apocalyptic number.

It is an amenable number.

385885057 is a deficient number, since it is larger than the sum of its proper divisors (23274239).

385885057 is a wasteful number, since it uses less digits than its factorization.

385885057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31967.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The square root of 385885057 is about 19643.9572642581. The cubic root of 385885057 is about 728.0356628516.

The spelling of 385885057 in words is "three hundred eighty-five million, eight hundred eighty-five thousand, fifty-seven".