385117353 has 6 divisors (see below), whose sum is σ = 556280634. Its totient is φ = 256744896.

The previous prime is 385117351. The next prime is 385117357. The reversal of 385117353 is 353711583.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 374306409 + 10810944 = 19347^2 + 3288^2 .

It is not a de Polignac number, because 385117353 - 2¹ = 385117351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385117351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21395400 + ... + 21395417.

It is an arithmetic number, because the mean of its divisors is an integer number (92713439).

Almost surely, 2^385117353 is an apocalyptic number.

It is an amenable number.

385117353 is a deficient number, since it is larger than the sum of its proper divisors (171163281).

385117353 is a wasteful number, since it uses less digits than its factorization.

385117353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42790823 (or 42790820 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 385117353 is about 19624.4070738456. The cubic root of 385117353 is about 727.5525423489.

The spelling of 385117353 in words is "three hundred eighty-five million, one hundred seventeen thousand, three hundred fifty-three".