385142827 has 4 divisors (see below), whose sum is σ = 385238376. Its totient is φ = 385047280.

The previous prime is 385142819. The next prime is 385142833. The reversal of 385142827 is 728241583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728241583 = 2207 ⋅329969.

It is a cyclic number.

It is not a de Polignac number, because 385142827 - 2³ = 385142819 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 385142827.

It is not an unprimeable number, because it can be changed into a prime (385149827) 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, 41449 + ... + 49882.

It is an arithmetic number, because the mean of its divisors is an integer number (96309594).

Almost surely, 2^385142827 is an apocalyptic number.

385142827 is a deficient number, since it is larger than the sum of its proper divisors (95549).

385142827 is an equidigital number, since it uses as much as digits as its factorization.

385142827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95548.

The product of its digits is 107520, while the sum is 40.

The square root of 385142827 is about 19625.0561018306. The cubic root of 385142827 is about 727.5685835761.

The spelling of 385142827 in words is "three hundred eighty-five million, one hundred forty-two thousand, eight hundred twenty-seven".