385874785 has 8 divisors (see below), whose sum is σ = 463395240. Its totient is φ = 308469504.

The previous prime is 385874767. The next prime is 385874807. The reversal of 385874785 is 587478583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 189090001 + 196784784 = 13751^2 + 14028^2 .

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 385874785 - 2¹¹ = 385872737 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21240 + ... + 34969.

It is an arithmetic number, because the mean of its divisors is an integer number (57924405).

Almost surely, 2^385874785 is an apocalyptic number.

It is an amenable number.

385874785 is a deficient number, since it is larger than the sum of its proper divisors (77520455).

385874785 is a wasteful number, since it uses less digits than its factorization.

385874785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57587.

The product of its digits is 7526400, while the sum is 55.

The square root of 385874785 is about 19643.6958080703. The cubic root of 385874785 is about 728.0292028548.

The spelling of 385874785 in words is "three hundred eighty-five million, eight hundred seventy-four thousand, seven hundred eighty-five".