385655169 has 8 divisors (see below), whose sum is σ = 520716160. Its totient is φ = 253848816.

The previous prime is 385655161. The next prime is 385655201. The reversal of 385655169 is 961556583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385655169 - 2³ = 385655161 is a prime.

It is a super-2 number, since 2×385655169² = 297459818752837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385655161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813382 + ... + 813855.

It is an arithmetic number, because the mean of its divisors is an integer number (65089520).

Almost surely, 2^385655169 is an apocalyptic number.

It is an amenable number.

385655169 is a deficient number, since it is larger than the sum of its proper divisors (135060991).

385655169 is a wasteful number, since it uses less digits than its factorization.

385655169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627319.

The product of its digits is 972000, while the sum is 48.

The square root of 385655169 is about 19638.1050256892. The cubic root of 385655169 is about 727.8910602848.

It can be divided in two parts, 38565 and 5169, that added together give a palindrome (43734).

The spelling of 385655169 in words is "three hundred eighty-five million, six hundred fifty-five thousand, one hundred sixty-nine".