385042319 has 4 divisors (see below), whose sum is σ = 391568520. Its totient is φ = 378516120.

The previous prime is 385042303. The next prime is 385042321. The reversal of 385042319 is 913240583.

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

It is a cyclic number.

It is not a de Polignac number, because 385042319 - 2⁴ = 385042303 is a prime.

It is a super-2 number, since 2×385042319² = 296515174841795522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385092319) 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, 3263012 + ... + 3263129.

It is an arithmetic number, because the mean of its divisors is an integer number (97892130).

Almost surely, 2^385042319 is an apocalyptic number.

385042319 is a deficient number, since it is larger than the sum of its proper divisors (6526201).

385042319 is an equidigital number, since it uses as much as digits as its factorization.

385042319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526200.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 385042319 is about 19622.4952286910. The cubic root of 385042319 is about 727.5052885938.

The spelling of 385042319 in words is "three hundred eighty-five million, forty-two thousand, three hundred nineteen".