385563069 has 24 divisors (see below), whose sum is σ = 575807232. Its totient is φ = 248451840.

The previous prime is 385563023. The next prime is 385563071. The reversal of 385563069 is 960365583.

385563069 is a `hidden beast` number, since 3 + 8 + 5 + 5 + 630 + 6 + 9 = 666.

It is not a de Polignac number, because 385563069 - 2²⁵ = 352008637 is a prime.

It is a super-2 number, since 2×385563069² = 297317760353397522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385563019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32404 + ... + 42674.

It is an arithmetic number, because the mean of its divisors is an integer number (23991968).

Almost surely, 2^385563069 is an apocalyptic number.

It is an amenable number.

385563069 is a deficient number, since it is larger than the sum of its proper divisors (190244163).

385563069 is a wasteful number, since it uses less digits than its factorization.

385563069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417 (or 10414 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 385563069 is about 19635.7599547356. The cubic root of 385563069 is about 727.8331120542.

The spelling of 385563069 in words is "three hundred eighty-five million, five hundred sixty-three thousand, sixty-nine".