385689601 has 4 divisors (see below), whose sum is σ = 420752304. Its totient is φ = 350626900.

The previous prime is 385689581. The next prime is 385689611. The reversal of 385689601 is 106986583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385689601 - 2¹⁷ = 385558529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385689611) by changing a digit.

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, 17531335 + ... + 17531356.

It is an arithmetic number, because the mean of its divisors is an integer number (105188076).

Almost surely, 2^385689601 is an apocalyptic number.

It is an amenable number.

385689601 is a deficient number, since it is larger than the sum of its proper divisors (35062703).

385689601 is a wasteful number, since it uses less digits than its factorization.

385689601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35062702.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 385689601 is about 19638.9816691192. The cubic root of 385689601 is about 727.9127221226.

It can be divided in two parts, 385 and 689601, that added together give a palindrome (689986).

The spelling of 385689601 in words is "three hundred eighty-five million, six hundred eighty-nine thousand, six hundred one".