385427417 has 4 divisors (see below), whose sum is σ = 408099636. Its totient is φ = 362755200.

The previous prime is 385427363. The next prime is 385427423. The reversal of 385427417 is 714724583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 309197056 + 76230361 = 17584^2 + 8731^2 .

It is a cyclic number.

It is not a de Polignac number, because 385427417 - 2¹² = 385423321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385420417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11336084 + ... + 11336117.

It is an arithmetic number, because the mean of its divisors is an integer number (102024909).

Almost surely, 2^385427417 is an apocalyptic number.

It is an amenable number.

385427417 is a deficient number, since it is larger than the sum of its proper divisors (22672219).

385427417 is a wasteful number, since it uses less digits than its factorization.

385427417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22672218.

The product of its digits is 188160, while the sum is 41.

The square root of 385427417 is about 19632.3054428154. The cubic root of 385427417 is about 727.7477446125.

The spelling of 385427417 in words is "three hundred eighty-five million, four hundred twenty-seven thousand, four hundred seventeen".