385079975 has 18 divisors (see below), whose sum is σ = 555459984. Its totient is φ = 264054000.

The previous prime is 385079963. The next prime is 385079983. The reversal of 385079975 is 579970583.

It is a happy number.

It is not a de Polignac number, because 385079975 - 2¹⁶ = 385014439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 155951 + ... + 158400.

It is an arithmetic number, because the mean of its divisors is an integer number (30858888).

Almost surely, 2^385079975 is an apocalyptic number.

385079975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385079975 is a deficient number, since it is larger than the sum of its proper divisors (170380009).

385079975 is a wasteful number, since it uses less digits than its factorization.

385079975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314375 (or 314363 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 53.

The square root of 385079975 is about 19623.4547162318. The cubic root of 385079975 is about 727.5290037759.

The spelling of 385079975 in words is "three hundred eighty-five million, seventy-nine thousand, nine hundred seventy-five".