385117726 has 16 divisors (see below), whose sum is σ = 694949760. Its totient is φ = 156363480.

The previous prime is 385117699. The next prime is 385117729. The reversal of 385117726 is 627711583.

385117726 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×385117726² = 296631325758822152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385117729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723640 + ... + 724171.

It is an arithmetic number, because the mean of its divisors is an integer number (43434360).

Almost surely, 2^385117726 is an apocalyptic number.

385117726 is a deficient number, since it is larger than the sum of its proper divisors (309832034).

385117726 is a wasteful number, since it uses less digits than its factorization.

385117726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447839.

The product of its digits is 70560, while the sum is 40.

The square root of 385117726 is about 19624.4165773151. The cubic root of 385117726 is about 727.5527772358.

The spelling of 385117726 in words is "three hundred eighty-five million, one hundred seventeen thousand, seven hundred twenty-six".