385689599 has 8 divisors (see below), whose sum is σ = 406982880. Its totient is φ = 364773376.

The previous prime is 385689581. The next prime is 385689611. The reversal of 385689599 is 995986583.

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

It is a de Polignac number, because none of the positive numbers 2^k-385689599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385689509) 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, 92162 + ... + 96255.

It is an arithmetic number, because the mean of its divisors is an integer number (50872860).

Almost surely, 2^385689599 is an apocalyptic number.

385689599 is a deficient number, since it is larger than the sum of its proper divisors (21293281).

385689599 is a wasteful number, since it uses less digits than its factorization.

385689599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188529.

The product of its digits is 20995200, while the sum is 62.

The square root of 385689599 is about 19638.9816182001. The cubic root of 385689599 is about 727.9127208644.

The spelling of 385689599 in words is "three hundred eighty-five million, six hundred eighty-nine thousand, five hundred ninety-nine".