385067569 has 4 divisors (see below), whose sum is σ = 393260544. Its totient is φ = 376874596.

The previous prime is 385067549. The next prime is 385067603. The reversal of 385067569 is 965760583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 965760583 = 24407 ⋅39569.

It is a cyclic number.

It is not a de Polignac number, because 385067569 - 2⁹ = 385067057 is a prime.

It is a super-2 number, since 2×385067569² = 296554065391139522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385067519) 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, 4096417 + ... + 4096510.

It is an arithmetic number, because the mean of its divisors is an integer number (98315136).

Almost surely, 2^385067569 is an apocalyptic number.

It is an amenable number.

385067569 is a deficient number, since it is larger than the sum of its proper divisors (8192975).

385067569 is an equidigital number, since it uses as much as digits as its factorization.

385067569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8192974.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 385067569 is about 19623.1386123627. The cubic root of 385067569 is about 727.5211908346.

The spelling of 385067569 in words is "three hundred eighty-five million, sixty-seven thousand, five hundred sixty-nine".