385641365 has 8 divisors (see below), whose sum is σ = 463528248. Its totient is φ = 308007360.

The previous prime is 385641341. The next prime is 385641383. The reversal of 385641365 is 563146583.

It can be written as a sum of positive squares in 4 ways, for example, as 6832996 + 378808369 = 2614^2 + 19463^2 .

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

It is not a de Polignac number, because 385641365 - 2⁶ = 385641301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59846 + ... + 65975.

It is an arithmetic number, because the mean of its divisors is an integer number (57941031).

Almost surely, 2^385641365 is an apocalyptic number.

It is an amenable number.

385641365 is a deficient number, since it is larger than the sum of its proper divisors (77886883).

385641365 is a wasteful number, since it uses less digits than its factorization.

385641365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126439.

The product of its digits is 259200, while the sum is 41.

The square root of 385641365 is about 19637.7535629715. The cubic root of 385641365 is about 727.8823755591.

The spelling of 385641365 in words is "three hundred eighty-five million, six hundred forty-one thousand, three hundred sixty-five".