385941864 has 64 divisors (see below), whose sum is σ = 1202941440. Its totient is φ = 100244160.

The previous prime is 385941841. The next prime is 385941869. The reversal of 385941864 is 468149583.

It is a super-2 number, since 2×385941864² = 297902244775588992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385941869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102574 + ... + 106269.

It is an arithmetic number, because the mean of its divisors is an integer number (18795960).

Almost surely, 2^385941864 is an apocalyptic number.

It is an amenable number.

385941864 is an abundant number, since it is smaller than the sum of its proper divisors (816999576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385941864 is a wasteful number, since it uses less digits than its factorization.

385941864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208870 (or 208866 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 385941864 is about 19645.4031264314. The cubic root of 385941864 is about 728.0713863500.

It can be divided in two parts, 385 and 941864, that added together give a palindrome (942249).

The spelling of 385941864 in words is "three hundred eighty-five million, nine hundred forty-one thousand, eight hundred sixty-four".