385799959 has 16 divisors (see below), whose sum is σ = 412495200. Its totient is φ = 359783424.

The previous prime is 385799933. The next prime is 385799977. The reversal of 385799959 is 959997583.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 385799959 - 2²¹ = 383702807 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 385799959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385799059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569529 + ... + 570205.

It is an arithmetic number, because the mean of its divisors is an integer number (25780950).

Almost surely, 2^385799959 is an apocalyptic number.

385799959 is a deficient number, since it is larger than the sum of its proper divisors (26695241).

385799959 is a wasteful number, since it uses less digits than its factorization.

385799959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its digits is 27556200, while the sum is 64.

The square root of 385799959 is about 19641.7911352300. The cubic root of 385799959 is about 727.9821417901.

The spelling of 385799959 in words is "three hundred eighty-five million, seven hundred ninety-nine thousand, nine hundred fifty-nine".