385807311 has 12 divisors (see below), whose sum is σ = 558965160. Its totient is φ = 256425840.

The previous prime is 385807283. The next prime is 385807319. The reversal of 385807311 is 113708583.

385807311 is a `hidden beast` number, since 3 + 8 + 580 + 73 + 1 + 1 = 666.

It is not a de Polignac number, because 385807311 - 2¹³ = 385799119 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385807319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61776 + ... + 67733.

It is an arithmetic number, because the mean of its divisors is an integer number (46580430).

Almost surely, 2^385807311 is an apocalyptic number.

385807311 is a deficient number, since it is larger than the sum of its proper divisors (173157849).

385807311 is a wasteful number, since it uses less digits than its factorization.

385807311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129846 (or 129843 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 385807311 is about 19641.9782863132. The cubic root of 385807311 is about 727.9867660266.

The spelling of 385807311 in words is "three hundred eighty-five million, eight hundred seven thousand, three hundred eleven".