385764829 has 8 divisors (see below), whose sum is σ = 390133688. Its totient is φ = 381404160.

The previous prime is 385764811. The next prime is 385764839. The reversal of 385764829 is 928467583.

It can be written as a sum of positive squares in 4 ways, for example, as 32512804 + 353252025 = 5702^2 + 18795^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 385764829 - 2¹¹ = 385762781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385764839) 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, 179449 + ... + 181585.

It is an arithmetic number, because the mean of its divisors is an integer number (48766711).

Almost surely, 2^385764829 is an apocalyptic number.

It is an amenable number.

385764829 is a deficient number, since it is larger than the sum of its proper divisors (4368859).

385764829 is a wasteful number, since it uses less digits than its factorization.

385764829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095.

The product of its digits is 2903040, while the sum is 52.

The square root of 385764829 is about 19640.8968481584. The cubic root of 385764829 is about 727.9600450287.

It can be divided in two parts, 3857 and 64829, that added together give a palindrome (68686).

The spelling of 385764829 in words is "three hundred eighty-five million, seven hundred sixty-four thousand, eight hundred twenty-nine".